Breaking News: *McConnell Says GOP Leaders Don’t Currently Have Enough Votes to Block Impeachment Witnesses *McConnell Made Remarks in Private Senate GOP Meeting (Article below will update) WASHINGTON—President Trump’s lawyers tried to cast doubts on the importance and credibility of allegations by former national security adviser John Bolton about the president’s motives for freezing aid to Ukraine, as they concluded their efforts to counter Democrats’ charges that Mr. Trump abused power and obstructed Congress.