Having just received a conference call alert from the McCain campaign about a call that Sam Brownback will be leading, I realize that I can’t remember the last time the Kansas senator has been seriously talked up as a veep choice. I think there’s a wisdom to that — he doesn’t add much and he reinforces McCain’s worst instincts on immigration. But he’s also been loyally McCain since he dropped out (after one story seemingly out of nowhere wondering if he’d endorse Rudy!). He is obviously deeply and sincerely pro-life and he doesn’t have a personality McCain would be threatened by. Crazier things have happened …