“I will not be participating in a debate the first week of September, but look forward to having a productive discussion about how we can move forward and have a real conversation on this once Dr. Oz and his team are ready to take this seriously,” he added. Surgeons implanted a pacemaker with a defibrillator to regulate Mr. Fetterman‘s heartbeat after he suffered a stroke last spring. The health woes has raised concerns about his ability to return to the campaign trail. He has held two brief rallies in the past week. An Oz campaign aide said last week that...