Russian pro-democracy leader Garry Kasparov draws stark similarities between the state of American politics and how he remembers Soviet-Russia saying America exists in a "post-truth world."

House Intelligence Chairman Adam Schiff says his committee is still looking into the identity of the person who Rudy Giuliani was speaking with and had the obscured phone number of "-1" -- and whether that person is President Donald Trump.

CNN's Anderson Cooper takes a look at President Trump's history of purchasing or photoshopping images of himself.

CNN's Anderson Cooper tells viewers that President Donald Trump's latest excuse for not participating in the impeachment hearings isn't anything new.

CNN's David Axelrod and Van Jones discuss 2020 Democratic presidential candidate Joe Biden's performance in the fifth democratic debate.

Anderson Cooper reacts to the testimony of EU Ambassador Gordon Sondland at the impeachment hearing.

CNN legal analyst Carrie Cordero calls CNN senior political commentator Rick Santorum's defense of President Donald Trump insane during a discussion about the impeachment hearings.

CNN chief legal analyst Jeffrey Toobin shares why he thinks the talking points used by Republicans on the House Intelligence Committee during the impeachment hearings are not working anymore.

David Holmes, a diplomat at the US embassy in Ukraine, told lawmakers last week he'd "never seen anything" like the call Gordon Sondland placed to President Donald Trump at a restaurant in Kiev, Ukraine. CNN's Phil Mattingly reports.

President Donald Trump tweeted interest in providing a written testimony in order to defend himself against impeachment. CNN's Anderson Cooper explains why this is unlikely.