Trump Slams Pence Aide Set to Testify at Impeachment Hearing

(Bloomberg) -- Donald Trump used Twitter on Sunday to slam Jennifer Williams, an aide to Vice President Mike Pence, who’s due to testify in the public impeachment inquiry into the president’s actions with Ukraine.Trump called Williams a “Never Trumper.” The longtime State Department employee -- currently a special adviser to Pence -- was on the July 25 phone call that’s at the center of the inquiry, and said in closed-door testimony on Nov. 7 that she found some of