Highlights

  1. PhotoKurt D. Volker, left, the former special envoy to Ukraine, and Timothy Morrison, a former top National Security Council official arrive to testify on Tuesday.
    Credit

    Impeachment Hearings Live Updates: Morrison and Volker Begin Testimony

    Kurt D. Volker, the former special envoy to Ukraine, testified that he “did not know of a linkage” between Ukraine aid and investigations that the president wanted into his political rivals, but did not dispute that one existed. The White House pushed back on a top aide to the vice president who described Mr. Trump’s call with Ukraine’s president as inappropriate.