Rudy Giuliani, the outspoken personal attorney for Donald Trump, has hired his own lawyer to represent him in the House’s fast-moving impeachment investigation into the president.

The former New York mayor tapped Jon Sale, a former Watergate prosecutor and assistant U.S. attorney, in what’s shaping up to be a battle with Democrats over documents tied to Giuliani’s efforts to pressure Ukraine’s leader on behalf of the president to investigate Joe Biden.

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