Sen. John McCain took what appeared to be a swipe at President Trump during an interview about the Vietnam War, criticizing how upper-income Americans were able to obtain a draft deferment for having a “bone spur.” McCain, a Vietnam veteran who was captured by the Viet Cong, was referencing an ailment cited in Trump’s draft deferments. In total, Trump received five deferments from the draft during the Vietnam War due to heel spurs, bone protrusions caused by a calcium buildup. When asked about McCain's speech, Trump said: "People have to be careful, because at some point I fight back."
"I've faced greater challenges than this," McCain shot back.