Impeachment Trial Evidence: Beyond The Opening Arguments

It's Day 1 of the second impeachment trial of Donald Trump. Beyond both sides' opening arguments, what can we expect by way of evidence that proves what we all saw with our own eyes? On Today's Show: Ari Melber , chief legal correspondent for MSNBC and host of "The Beat with Ari Melber", joins to preview the Senate impeachment trial of former president Donald Trump, and offers legal and political analysis. NOTE: This podcast is taken from live conversations that take place prior to noon, when the Senate begins its proceedings. Please be mindful that by the time you listen, events may have developed beyond what's discussed in the interview.