A Democratic lawmaker fired back at a Trump nominee after he refused to respond to questions during a confirmation hearing on Tuesday.Sen. Tim Kaine (D-VA) had a direct response to Deputy White House budget director nominee Hal Duncan during his testimony before the Senate Budget Committee. Sen. Jeff Merkley had asked a pointed question of Duncan, which the nominee tried to dodge."Do you believe the 2020 election was rigged?" Merkley asked."I be…