The Republican presidential hopefuls are all shameless flip-floppers, which is why Rick Santorum’s previous pro- labor union positions are no surprise:

GOP presidential candidate Rick Santorum’s unexpected finish in Iowa has thrust his record into the spotlight. Naturally, his anti-choice, homophobic, and patently outrageous positions only help shore up his right-wing credentials. As he said in Sioux City, “A track record is a pretty good indication of what you’re going to do in the future.”

However, some of his votes in the past will certainly put a dent in his conservative credentials. As Bloomberg News points out, Santorum spent a lot of his 16-year congressional career fighting alongside labor advocates to protect striking workers, increase the minimum wage, and ensure that the law requiring employers to pay the prevailing wage stayed on the books…