GOP Sen. John McCain blasted President Trump for his “disappointing” behavior at the NATO summit but assured the alliance that despite the president’s blistering comments, the United States stands solidly behind its longtime allies. “President Trump’s performance at the NATO summit in Brussels was disappointing, yet ultimately unsurprising. There is little use in parsing the president’s misstatements and bluster, except to say that they are the words of one man,” McCain, chair of the Senate Armed Services Committee, said in a statement Thursday. “Americans, and their Congress, still believe in the transatlantic alliance … and it is clear that our...