LIVE: Trump expected to sign bills targeting vehicle emissions

Watch live coverage as President Trump holds a bill signing ceremony at the White House where he is expected to sign several Congressional Review Act measures, including a block to California's plan to phase out gas powered cars. For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful n ...