Watch Congress, White House & Courts

Executives from Facebook, Google, and Twitter testify at a Senate Judiciary subcommittee hearing on how to combat extremist content and Russian disinformation on their social media platforms.

Witnesses, including former Speaker of the House Newt Gingrich, testify on the threat posed by electromagnetic pulse, a short burst of electromagnetic energy which can damage electronic equipment, and the development of weapons that create EMP.

Officials from Facebook, Google, and Twitter testify at a Senate Intelligence Committee hearing on Russia’s influence on the 2016 election via social media.

Spokesperson Sarah Sanders fields questions from reporters at the White House.

NBC News correspondent Katy Tur reflects on her coverage of the Trump campaign and the 2016 presidential election.

Author Michael Lewis discusses his work and takes viewer questions. Mr. Lewis is the author of many books, including Liar’s Poker, Moneyball, and The Big Short.

Pulitzer Prize-winning biographer Ron Chernow discusses his biography on Ulysses S. Grant, with a focus on the 18th president’s final years and the writing of his memoirs.

Spokesperson Sarah Sanders says the administration considers the suspect in Tuesday's terrorist attack in New York City, in which eight people died, to be an enemy combatant.

Senate Democratic Leader Chuck Schumer pays tribute to those killed and injured in the terrorist attack in New York City on Tuesday. He also praised the actions of the New York Police Department. Senator Schumer then went on to condemn the response…

Senator Diane Feinstein tells Facebook, Google, and Twitter executives that they don't get it when it comes to what Russia has been doing on its platforms. She warns them that since they created the platforms, they must now address their misuse, or…

Spokesperson Heather Nauert announces that U.N. Ambassador Nikki Haley plans to vote against the annual U.N. resolution condemning the U.S. embargo of Cuba, a reversal of Obama administration policy to abstain from the vote last year.