Democratic presidential front-runner (Joseph R. Biden), who has denounced President Trump’s efforts against Central American asylum-seekers, vigorously opposed resettling as refugees South Vietnamese who had helped the U.S. during the war. The Washington Examiner ('No obligation': Joe Biden opposed helping South Vietnamese refugees reach U.S. in 1970s) Thursday, citing (records) from the administration of President (Gerald R. Ford), that as a U.S. senator, Mr. Biden tried to deny refuge to hundreds of thousands fleeing the imminent North Vietnamese victory and likely Communist persecution. Mr. Biden’s arguments about refugees reverse what he and other Democrats now insist are the only moral...