Among the more disgusting practices Donald Trump has said he wants to bring back in the presidency is the use of torture by the American military. Despite evidence that has shown it doesn t work, and the fact that it smells of moral depravity, Trump told his ravenous crowds during the election that he would allow waterboarding.But now Senator John McCain (R-AZ) is telling Trump flatly that this isn t going to happen.Sen. John McCain of Arizona, chairman of the Armed Services Committee, said at the Halifax International Security Forum that any attempt to bring back harsh interrogation techniques such as waterboarding, which simulates drowning, would quickly be challenged in court. I don t give a damn what the president of the United States wants to do or anybody else wants to do. We will not waterboard. We will not do it,  McCain said to applause during a panel discussion.McCain is a hardcore conservative from Arizona, but he is also one of the few people serving in public life at the federal level who has actually experienced torture. McCain was shot down over Vietnam and tortured while he served as a prisoner of war.In a previous exchange with Trump, the former reality star denigrated McCain s service record and said he didn t like soldiers who were captured during war.McCain rescinded his endorsement of Trump during the election when audio surfaced of Trump bragging about sexually assaulting women.Trump has repeatedly attacked McCain, who was among the more prominent Republicans who criticized Trump during the campaign.While McCain has a poor record on many topics, he has been consistent in his opposition to torture, even as he has been described by liberals as a warmonger.McCain was Barack Obama s opponent in the 2008 presidential election, and lost in a landslide to the current sitting president.Featured image via Flickr