Trump’s anti-NATO turn could sink F-35 sales

The F-35 program—a global effort built around international cooperation and trust—could become a victim of President Donald Trump’s threats to forsake or even annex NATO allies, experts and former defense officials warn.  Trump’s calls to seize Greenland from Denmark and turn Canada into America’s 51st state pose a “real challenge” for the program, a former defense official said, as both countries fly the fifth-generation combat jet and rely on