Rep. Joaquin Castro returns to D.C. with Democrats in control of Congress. What's on his to-do list?

After a historic election night, Democrats take control of both the House and Senate. But what will they do with their newfound legislative majorities? Will they focus on impeachment, protecting democracy, overseeing the White House, or finding common ground with President Trump? Congressman Joaquin Castro joins us to discuss his priorities for the next Congress.