Koch Donor Network Withdraws Support for Nikki Haley After South Carolina Loss

Nikki Haley, the last remaining Republican challenger to Donald Trump, lost the support of the influential Koch network after her defeat in the South Carolina GOP primary, but vows to stay in the race through Super Tuesday. Meanwhile, top Democrats back President Joe Biden's record in the Oval Office, and the Conservative Political Action Conference (CPAC) reveals who Republicans want as Trump's running mate. Additionally, RNC chair Ronna McDaniel announces she will step down after Super Tuesday, and the US Supreme Court takes on landmark social media cases that could transform internet usage.