U.S. tariffs on Mexico, Canada and China go into effect as President Trump prepares to deliver his first address to a joint session of Congress. House Ways & Means Chairman Rep. Jason Smith (R-Mo.) joins Meet the Press NOW to discuss budget negotiations and backlash GOP lawmakers are facing at town halls.

Mich., will be on Meet the Press after delivering the Democratic response to President Donald Trump's address to Congress. ()

Kristen Welker finished the month as the most-watched Sunday public affairs host among viewers 25-54, a key metric for advertisers.

NBC's "Meet the Press" host Kristen Welker hosts Politico columnist Jonathan Martin, NBC's Melanie Zanona, former Secretary of Homeland Security Jeh Johnson, and Lanhee Chen, a fellow at the Hoover Institution,