There's only one winnable choice for Joe Biden's vice president pick: "The woman in Michigan," as our incumbent President calls Gretchen Whitmer. What the American people -- not to mention the world -- want and need in these dangerous times is a person who, if necessary, can slip seamlessly into the job of president amidst a global crisis. That has to mean a governor rather than a senator. No senator (with the possible exception of Mitt Romney), has the managerial chops to step in and assume control on a moment's notice of the world's largest corporation: the US government, currently...