The Washington Post proclaimed in a recent headline another historic “first” for the United States — the first female usher-in-chief at the White House. Stop the presses! The accompanying story reveals that the nominee hails from Jamaica, so it’s probably a two-fer. Oh boy.The Post and other liberal organs are obsessed with firsts. The first female letter carrier to handle the Capitol Hill route will get a mention in the press. The first African-American anything is guaranteed at least a nod. You don’t even have to be first to get “first” treatment. The last two Supreme Court nominees have been...