Senate Impeachment Trial Begins With Debate Over Rules

P.M. Edition for January 21st: The Senate impeachment trial began in earnest on Tuesday, with a debate over the rules that will govern the proceedings. Siobhan Hughes has the details. Plus, the Supreme Court has denied requests to quickly decide the fate of the Affordable Care Act - meaning it won't rule on the law before the 2020 election. Brent Kendall explains. Annmarie Fertoli hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices