The latest gambit the Republicans have launched to challenge the legitimacy of Barack Obama's presidency was announced yesterday when Speaker Boehner said the House will sue him for "not faithfully executing the laws passed by Congress." At its root is the idea that Barack Obama's presidency is inherently illegitimate, and whatever he does in that office must be illegal, or nearly so. In reading about this today, I'm not finding any liberals or Democrats who are taking this move seriously. Even if Boehner can fill in the specific charges he left out of yesterday's announcement, no one thinks anything will come of this until President Obama is long gone from office. In the end, this is about the fact that the tools Republicans were planning to use to fire up their base for the November midterms (Obamacare and Benghazi) have been effectively de-fanged. So this is their alternative. But there is a message in all this that we shouldn't completely ignore.