Sen. Cory Booker (D-NJ) joined Ari Melber on MSNBC's 'The Beat with Ari Melber' following his historic Senate speech: ARI MELBER, HOST: I would say the man of the hour, but he might be the man of 25 hours.

New Jersey Sen. Cory Booker’s 25-hour speech on the Senate floor this week grabbed headlines around the world and garnered positive reactions from his fellow Democrats in Maryland and scrutiny from Republicans.

He surpassed a record segregationist Strom Thurmond set in 1957, getting millions of views and widespread acclaim from Democrats as a model for how to take on Trump.

Sen. Cory Booker’s record-breaking marathon floor speech “may have changed the course of political history,” according to Republican pollster Frank Luntz. The New Jersey Democrat had vowed Monday night to hold the floor for as long as he was “physically able,

First off, it was not a filibuster. But Booker's historic 25-hour speech broke the Senate record, and was a startling challenge to Trump’s agenda

Longtime Republican pollster Frank Luntz was so impressed by the record-breaking speech by Sen. Cory Booker (D-N.J.) this week that he thinks the Democratic Party may have a new leader in its midst.

New Jersey's Sen. Cory Booker urged Americans concerned about the Trump agenda to find some "good trouble," summoning the Civil Rights Movement.