National Security Advisor H.R. McMaster is thwarting President Donald Trump’s foreign policy prescriptions, two former senior NSC officials told The Daily Caller News Foundation. “Everything the president wants to do, McMaster opposes,” a former senior official said in a wide-ranging interview. “Trump wants to get us out of Afghanistan — McMaster wants to go in. Trump wants to get us out of Syria — McMaster wants to go in. Trump wants to deal with the China issue — McMaster doesn’t. Trump wants to deal with the Islam issue — McMaster doesn’t. You know, across the board, we want to get...