Stalemate This Week In The Impeachment Inquiry. What Happens Next?

A war of words and a stalemate in Washington this week, after the White House declared that it will not cooperate with the impeachment inquiry.

President Trump tweeted that the Democratic-led House inquiry was "a totally compromised kangaroo court." Democrats said the president is obstructing justice, and vowed to press on.

So, what happens now?

Noah Feldman, professor at Harvard Law School. He tweets @noahrfeldman. His piece in the New York Times is called "This Is a Constitutional Crisis. What Happens Next?" He tweets @noahrfeldman.

Nancy Gertner, former Massachusetts federal judge, senior lecturer at Harvard Law School and WBUR legal analyst. She tweets @ngertner.