quote [ Mr. Giuliani said last month that he would take a “temporary leave of absence” from the firm, Greenberg Traurig LLP, and would work to bring a quick end to Robert Mueller’s investigation into whether Trump associates aided what the U.S. has said was Russia’s efforts to influence the outcome of the 2016 presidential election.

But on Thursday, Mr. Giuliani said in a statement he would be permanently resigning, citing the “pressing demands” of the Mueller probe. ]