CNN Profiles - Jennifer Agiesta - CNN Politics Polling Director - CNN

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NEW YORK, NY - MARCH 30: The USNS Comfort hospital ship travels up the Hudson River as it heads to Pier 90 on March 30, 2020 seen from Battery Park in New York City. The Comfort, a floating hospital in the form of a Navy ship, is equipped to take in patients within 24 hours but will not be treating people with COVID-19. The ship's 1,000 beds and 12 operation rooms will help ease the pressure on New York hospitals, many of which are now overwhelmed with COVID-19 patients. (Photo by Spencer Platt/Getty Images)

CNN Poll: Americans divided over government handling of coronavirus outbreak

CNN Poll of Polls: Trump's approval up amid coronavirus concerns

Chicago voters cast their ballots during Illinois primary in Chicago, Illinois, on March 17, 2020.

Democratic primary voters trust Biden over Sanders to handle a major crisis, CNN poll finds

A nurse at a drive up COVID-19 coronavirus testing station, set up by the University of Washington Medical Center, holds a swab used to take a sample from the nose of a person in their car, Friday, March 13, 2020, in Seattle. UW Medicine is conducting drive-thru testing in a hospital parking garage and has screened hundreds of staff members, faculty and trainees for the COVID-19 coronavirus. U.S. hospitals are setting up triage tents, calling doctors out of retirement, guarding their supplies of face masks and making plans to cancel elective surgery as they brace for an expected onslaught of coronavirus patients. (AP Photo/Ted S. Warren)

Poll: Majority of Americans believe the worst is yet to come from the coronavirus outbreak

DES MOINES, IA - NOVEMBER 01: Democratic presidential candidate Sen. Bernie Sanders (I-VT) exits the stage after speaking during The Iowa Democratic Party Liberty & Justice Celebration on November 1, 2019 in Des Moines, Iowa. Fourteen presidential are expected to speak at the event addressing over 12,000 people. (Photo by Joshua Lott/Getty Images)

Bernie Sanders will win California, CNN projects

Two people vote at the Fitzgerald Recreation Center on March 10, 2020 in Warren, Michigan. Michigan is one of six states voting in the Democratic presidential primary today.

Exit polls show Biden drawing key groups away from Sanders

WASHINGTON, DC - MARCH 02: U.S. President Donald Trump leads a meeting with the White House Coronavirus Task Force and pharmaceutical executives in Cabinet Room of the White House on March 2, 2020 in Washington, DC. President Trump and his Coronavirus Task Force team met with pharmaceutical companies representatives who are actively working to develop a COVID-19 vaccine. (Photo by Drew Angerer/Getty Images)

CNN Poll: Most Americans confident government can stop nationwide epidemic, but see local cases on the horizon

Democratic U.S. presidential candidate and former Vice President Joe Biden speaks at his Super Tuesday night rally in Los Angeles, California, U.S., March 3, 2020. REUTERS/Elizabeth Frantz

CNN poll: Biden has double-digit lead over Sanders for Democratic nomination

Voters cast their ballots in the Massachusetts presidential primaries, Tuesday, March 3, 2020, in Seekonk, Mass.

Black voters power Biden's southern surge but Latinos give Sanders the edge in California

Voters arrive to cast their ballots at a polling station for the South Carolina primary in Fort Mill, South Carolina, U.S., February 29, 2020. REUTERS/Lucas Jackson

Black voters, older voters and moderates fuel Joe Biden's victory in South Carolina, exit polls show

NEW YORK, NEW YORK - MARCH 02: Democratic Presidential candidate U.S. Sen. Bernie Sanders (I-VT) walks on stage to speak at a rally at Brooklyn College on March 02, 2019 in the Brooklyn borough of New York City. Sanders, a staunch liberal and critic of President Donald Trump, is holding his first campaign rally of the 2020 campaign for the Democratic Party's presidential nomination in his home town of Brooklyn, New York. (Photo by Spencer Platt/Getty Images)

CNN polls: Bernie Sanders holds big leads in California and Texas ahead of critical Super Tuesday vote