Week In The News: Impeachment, Iowa Caucus Latest, Trump’s State Of The Union Address

Week In The News: Impeachment, Iowa Caucus Latest, Trump’s State Of The Union Address

A week drenched in history – Trump acquitted by the Senate – but not before Mitt Romney votes to convict and remove his fellow Republican. We’ll also review confusion in the Iowa caucuses, the State of the Union and more. Jeanne Cummings, Marc Lacey and Wendy Benjaminson join David Folkenflik.