By Mr. CurmudgeonIt's desia vu all over again. The presidential campaign of 2012 is starting to look a lot like the campaign of 2008. As you may recall, that's the one where Republican voters were told they needed to nominate a safe, bipartisan Republican for president - the kind of politician, we are told, independent voters lust for.Right on cue, accommodating Republicans nominated Sen. John McCain, a man with a hint of a vague inkling bordering on an indication of an idea. Much to his credit, the clueless candidate picked a vice presidential running mate that was a better man...