Sen. Mitch McConnell has publicly reaffirmed support for NATO alongside Democratic Sen. Chris Coons. President Donald Trump, meanwhile, continues to raise the possibility of U.S. withdrawal from the alliance. The bipartisan statement comes as Trump has escalated criticism of NATO allies during the ongoing Iran conflict, raising fresh concerns in Washington about the future of one of the country's longest-standing security commitments. Trump escalates criticism of NATO Trump renewed his attacks on NATO allies during a recent interview, accusing them of failing to support U.S.