The impeachment inquiry goes public this week, but even before open hearings start Wednesday, clashes have played out behind the scenes with House Republicans pushing to call two key witnesses of their own: Hunter Biden and the whistleblower. This plan comes on top of the earlier Republican strategy of insisting that even if President Donald Trump did place personal contingencies on Ukrainian aid, doing so would not be out of the ordinary.

To discuss all this and more, Jim Braude was joined by Dan Primack, business editor at Axios, and Lylah Alphonse, managing editor of government rankings for U.S. News & World Report.