Republican Senator John McCain of Arizona lashed out at President Donald Trump on Wednesday for Trump's recent comments about NATO's collective defense obligations. In an interview with Fox News on Tuesday evening, in response to a question by host Tucker Carlson, Trump echoed Carlson's concerns about whether the U.S. should defend a small country like Montenegro if it were to come under attack. McCain, who is known to be hawkish on Russia, accused Trump of toeing the Kremlin line. “The people of #Montenegro boldly withstood pressure from #Putin’s Russia to embrace democracy. The Senate voted 97-2 supporting its accession to...