welcome back to state of the union. turning now to the impeachment inquiry and key testimony this week that may have changed the political calculus for republicans according to sources. bill taylor the top u.s. diplomat in ukraine was told that everything the ukrainian president wanted would be held up until he announced, the ukrainian president, an investigation that would help president trump politically. more critical testimony this week could back up that claim of a quid pro quo. joining me now is chris murphy. this is obviously a big success for the u.s. what is your reaction to the death of isis