One good thing about President Obama’s re-election: It seems to have prompted some sober thinking by Republican Party leaders and allies. Oh sure, there’s been some loose talk of secession, but mostly what you’ve found is top GOP leaders trying to figure out how to broaden the GOP’s appeal and shed its reputation for anti-intellectualism while staying true to their conservative values. This is a good thing. One sure way for Republicans to blow it: If Sarah Palin runs for president. You might’ve thought Palin’s political career pretty much ended when she decided not to run for president against a...