WASHINGTON, DC - APRIL 17:  Supreme Court Justice Antonin Scalia waits for the beginning of the taping of "The Kalb Report" April 17, 2014 at the National Press Club in Washington, DC. The Kalb Report is a discussion of media ethics and responsibility at the National Press Club held each month. (Photo by Alex Wong/Getty Images)
Alex Wong/Getty Images
WASHINGTON, DC - APRIL 17: Supreme Court Justice Antonin Scalia waits for the beginning of the taping of "The Kalb Report" April 17, 2014 at the National Press Club in Washington, DC. The Kalb Report is a discussion of media ethics and responsibility at the National Press Club held each month. (Photo by Alex Wong/Getty Images)
Now playing
02:58
Supreme Court Justice Antonin Scalia dead at 79
Now playing
01:56
Obama's options to replace Justice Antonin Scalia
mcconnell cornyn wont meet with obama supreme court nominee sot_00001614.jpg
mcconnell cornyn wont meet with obama supreme court nominee sot_00001614.jpg
Now playing
00:50
Senate GOP: We will not meet with Obama's nominee (2016)
Now playing
01:35
Obama responds to GOP's plans to block SCOTUS nominee
The Courtroom of the Supreme Court showing Associate Justice Antonin Scalia's Bench Chair and the Bench in front of his seat draped in black following his death on February 13, 2016.
Supreme Court of the United States
The Courtroom of the Supreme Court showing Associate Justice Antonin Scalia's Bench Chair and the Bench in front of his seat draped in black following his death on February 13, 2016.
Now playing
01:28
Poll: Obama should nominate new justice
WASHINGTON, DC - FEBRUARY 14:  An American flag flies at half mast following the death of Supreme Court Justice Antonin Scalia at the U.S. Supreme Court, February 14, 2016 in Washington, DC. Supreme Court Justice Antonin Scalia was at a Texas Ranch Saturday morning when he died at the age of 79. (Drew Angerer/Getty Images)
Drew Angerer/Getty Images North America/Getty Images
WASHINGTON, DC - FEBRUARY 14: An American flag flies at half mast following the death of Supreme Court Justice Antonin Scalia at the U.S. Supreme Court, February 14, 2016 in Washington, DC. Supreme Court Justice Antonin Scalia was at a Texas Ranch Saturday morning when he died at the age of 79. (Drew Angerer/Getty Images)
Now playing
01:47
Sources: White House vetting Jane Kelly for Supreme Court
US President Barack Obama speaks to the media during a bi-lateral meeting with King Abdullah II of Jordan in the Oval Office at the White House February 24, 2016 in Washington, DC.
Mark Wilson/Getty Images
US President Barack Obama speaks to the media during a bi-lateral meeting with King Abdullah II of Jordan in the Oval Office at the White House February 24, 2016 in Washington, DC.
Now playing
03:26
Source: Obama vetting GOP governor as potential nominee
supreme court justice thomas speaks origwx bw_00000000.jpg
supreme court justice thomas speaks origwx bw_00000000.jpg
Now playing
01:58
Hear Justice Thomas break his ten year silence (2016)
Supreme Court Justices Antonin Scalia (L) and Ruth Bader Ginsburg (R) wait for the beginning of the taping of "The Kalb Report" April 17, 2014 at the National Press Club in Washington, DC.
Alex Wong/Getty Images
Supreme Court Justices Antonin Scalia (L) and Ruth Bader Ginsburg (R) wait for the beginning of the taping of "The Kalb Report" April 17, 2014 at the National Press Club in Washington, DC.
Now playing
02:00
The Supreme Court's odd couple
SCOTUS Scalia senate hearing GOP newday_00012524.jpg
CSPAN
SCOTUS Scalia senate hearing GOP newday_00012524.jpg
Now playing
01:58
Senators break ranks over SCOTUS hearing
pool
Now playing
01:57
Obama joins crowd paying respect to Antonin Scalia
Justice Scalia funeral basilica _00003619.jpg
CNN
Justice Scalia funeral basilica _00003619.jpg
Now playing
01:15
Thousands attend Justice Scalia's funeral
384802 07: (FILE PHOTO) This undated file photo shows Justice Antonin Scalia of the Supreme Court of the United States in Washington, DC. (Photo by Liaison)
Hulton Archive/Getty Images
384802 07: (FILE PHOTO) This undated file photo shows Justice Antonin Scalia of the Supreme Court of the United States in Washington, DC. (Photo by Liaison)
Now playing
04:56
Antonin Scalia known for sharp mind and brash demeanor
US Supreme Court Justice Antonin Scalia speaks during the American Bar Association (ABA) 59th annual "Antitrust Law Spring" meeting in Washington, DC, on March 31, 2011. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)
JEWEL SAMAD/AFP/Getty Images
US Supreme Court Justice Antonin Scalia speaks during the American Bar Association (ABA) 59th annual "Antitrust Law Spring" meeting in Washington, DC, on March 31, 2011. AFP Photo/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)
Now playing
03:05
Obama: Antonin Scalia 'a larger than life presence'
Paul Sancya/AP and Alex Wong/Getty Images
Now playing
00:44
Do GOP rivals agree with Obama on Scalia replacement?
Justices of the US Supreme Court sit for their official group photo at the Supreme Court in Washington, DC, on June 1, 2017. 
Seated (L-R): Associate Justices Ruth Bader Ginsburg and Anthony M. Kennedy, Chief Justice of the US John G. Roberts, Associate Justices Clarence Thomas and Stephen Breyer. Standing (L-R): Associate Justices Elena Kagan, Samuel Alito Jr., Sonia Sotomayor and Neil Gorsuch. / AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
SAUL LOEB/AFP/Getty Images
Justices of the US Supreme Court sit for their official group photo at the Supreme Court in Washington, DC, on June 1, 2017. Seated (L-R): Associate Justices Ruth Bader Ginsburg and Anthony M. Kennedy, Chief Justice of the US John G. Roberts, Associate Justices Clarence Thomas and Stephen Breyer. Standing (L-R): Associate Justices Elena Kagan, Samuel Alito Jr., Sonia Sotomayor and Neil Gorsuch. / AFP PHOTO / SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Now playing
01:16
How are Supreme Court justices chosen?
David Axelrod Justice Scalia Kagan newday_00005626.jpg
CNN
David Axelrod Justice Scalia Kagan newday_00005626.jpg
Now playing
00:59
Axelrod: Scalia lobbied for friend to make bench
Youtube/ American Constitution Society
Now playing
02:00
2007: Democrat vows to block Bush Supreme Court nominee
Supreme Court Justice Antonin Scalia waits to be introduced to speak on October 2, 2012, in Washington, D.C.
Alex Wong/Getty
Supreme Court Justice Antonin Scalia waits to be introduced to speak on October 2, 2012, in Washington, D.C.
Now playing
02:17
The fight for Justice Scalia's replacement is on
US Supreme Court Justice Antonin Scalia listens as US President George W. Bush speaks at the the Federalist Society's 25th Anniversary Gala Dinner at Union Station in Washington, DC 15 November 2007. AFP PHOTO/SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
SAUL LOEB/AFP/Getty Images
US Supreme Court Justice Antonin Scalia listens as US President George W. Bush speaks at the the Federalist Society's 25th Anniversary Gala Dinner at Union Station in Washington, DC 15 November 2007. AFP PHOTO/SAUL LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Now playing
01:25
What happens to cases argued in front of Justice Scalia?
Marco Rubio Antonin Scalia Supreme Court nomination sotu_00002014.jpg
Marco Rubio Antonin Scalia Supreme Court nomination sotu_00002014.jpg
Now playing
01:41
Rubio: Next President should appoint Scalia replacement
obama sessions supreme court appointment_00002908.jpg
obama sessions supreme court appointment_00002908.jpg
Now playing
00:48
Senator vows opposition to Obama's Scalia successor
scalia on death penalty torture piers intv_00022630.jpg
scalia on death penalty torture piers intv_00022630.jpg
Now playing
03:53
2012: Justice Antonin Scalia on death penalty, torture
scalia burning flag piers intv_00003907.jpg
scalia burning flag piers intv_00003907.jpg
Now playing
01:24
Antonin Scalia: Flag burning 'a form of expression'
scalia roe v wade piers intv_00030419.jpg
scalia roe v wade piers intv_00030419.jpg
Now playing
04:07
2012: Scalia: Constitution says nothing about abortion
Now playing
02:25
Ginsburg and Scalia's wild adventures
Now playing
01:15
Supreme Court Justice makes controversial comments