In yet another depiction of the nation’s flawed immigration policies, the Obama administration is extending a humanitarian measure designed to temporarily shield illegal immigrants from deportation during emergencies for the fifth time in five years. It’s officially known as Temporary Protected Status (TPS) but should be renamed permanent—or at least long-term—protected status. It involves tens of thousands of Haitians, who were originally granted TPS after an earthquake devastated the poverty-stricken Caribbean island in 2010. Then Homeland Security Secretary Janet Napolitano said the benefit would last only 18 months and be limited to Haitian nationals who were in the United States...