Well, we knew it would only take so long for even a media-ensconced, Hollywood-produced, consultant stage-managed Kamala Harris to make the kind of mistake that reveals how out of touch she’s been with the nation’s politics for her entire career. You can dodge every question and interview and rely on the spin to do you all the favors, but you still have to make choices that reveal who you are. And the choice of Tim Walz is MSNBC’s idea of what a Midwestern centrist looks like, as if being a Carhartt-clad coach makes up for…Well, we knew it would only...