Arizona Republican John McCain is expected to shake up the defense policy bill heading to the Senate floor with proposals likely to meet fierce opposition, says CQ Roll Call’s defense reporters John M. Donnelly and Megan Scully. Trump does an about-face, reports Kate Ackley, and will take establishment campaign money. Puerto Rico hangs on to a life preserver waiting to be rescued by Washington, says Jonathan Miller. Tune in to hear CQ Roll Call experts break it down with host Managing Editor Adriel Bettelheim.