The top U.S. diplomat in Ukraine tells lawmakers he saw a definite quid pro quo in President Trump's pressure campaign. Democrats are disturbed but how are Republicans responding? Earlier this month, two business associates of Rudy Giuliani were arrested at an airport as they tried to leave the country. Who are these men and how important are they in this impeachment inquiry? And as the U.S. leaves Syria, the leaders of Russia and Turkey step in. Does their agreement put Syrian Kurds who worked with American forces in greater danger?