Episode: Special Report: U.S. Ambassador to the EU Gordon Sondland's Public Testimony

President Trump's acting chief of staff called weekend meetings aimed at ending the partial government shutdown "disappointing." So what now, as the shutdown enters its 17th day? The White House is also sending mixed signals about when U.S. troops will leave Syria.

How does the U.S go about achieving a nuclear-free Korean peninsula? And has President Trump kept the promises he made for his first 100 days?

New York Attorney General Eric Schneiderman has resigned following a "New Yorker" article that detailed allegations by four women that he physically abused them. And President Trump Tuesday afternoon will announce whether he will undo the Iran nuclear deal. Plus, four states hold primaries Tuesday that could lead to some interesting match-ups in November's midterm elections.