So who did cast the critical 60th vote for the Affordable Care Act, a k a “Obamacare”? Facing a new election year, the GOP has an answer ready to go: U.S. Sen. Al Franken, the Minnesota Democrat whose 2008 recount victory over Republican Norm Coleman helped alter the balance of power in national politics. With the rocky rollout of healthcare.gov, Minnesotans can expect to hear a lot about the symbolic 60th vote; for example, U.S. Rep. Michele Bachmann recently penned an opinion piece calling Franken “a leading cheerleader and the 60th vote for Obamacare.” But in a body of 100 senators, Franken...