President Trump’s Senate trial may have witnesses after all. Sen. Susan Collins on Friday confirmed she is working with a “fairly small group” of fellow Republican senators to ensure witnesses can be called. “We should be completely open to calling witnesses,” Collins (R-Maine) said Friday, the Bangor Daily News reported. “I am hopeful that we can reach an agreement on how to proceed with the trial that will allow the opportunity for both the House and the president’s counsel if they choose to do so.” Mitt Romney (R-Utah) has also had recent conversations with the Senate’s minority Democratic leadership, one...