Former Republican House leader Dick Armey said staunch anti-immigration opponents such as Rep. Tom Tancredo are destructive to Republicans — and are alienating a “natural” constituency that could help the party win elections. “Who in the Republican Party was the genius that said that now that we have identified the fastest-growing voting demographic in America, let’s go out and alienate them?” Armey said, referencing Hispanics, during a luncheon in Washington at the National Press Club. “When I was the majority leader, I saw to it that Tom Tancredo did not get on the stage because I saw how destructive he...