Graham: Mulvaney acknowledges White House has to improve messaging on impeachment; Graham moves to condemn impeachment inquiry, says Mulvaney knows White House has to improve messaging; Washington Post: White House delayed Ukraine trade decision in August, a sign pressure extended beyond security funds; Bennet looking to qualify for the November debate as Ohio Representative Tim Ryan drops out of presidential race; Sources: Trump souring on Mulvaney; getting rid of him "not imminent...but it could happen"; Rudy Giuliani Tweet: "Everything I did was to discover evidence to defend my client against false charges"; Sources: U.S. may move tanks into Eastern Syria to protect U.S. troops near oil fields; Kim Jong Un trying to divide Trump from top advisers with pressure offensive via Knit