President Donald Trump is circumspect about his duties to uphold due process rights laid out in the Constitution, saying in a new interview that he does not know whether U.S. citizens and noncitizens alike deserve that guarantee. The comments in a wide-ranging, and at moments combative, interview with NBC’s “Meet the Press" came as the Republican president's efforts to quickly enact his agenda face sharper headwinds with Americans just as his second administration crossed the 100-day mark, according to a recent poll by The Associated Press-NORC Center for Public Affairs Research.