Budget head Mulvaney picked as Trump's next chief of staff By JONATHAN LEMIRE, JILL COLVIN and CATHERINE LUCEY, Associated Press WASHINGTON (AP) — President Donald Trump has picked budget director Mick Mulvaney to be his acting chief of staff, ending a chaotic search in which several top contenders took themselves out of the running for the job. "Mick has done an outstanding job while in the Administration,"