There will likely be months of debate over who presumptive Democratic nominee Joe Biden should pick as his running mate — and what criteria he should use in making that decision.
We already know one such criterion: Biden has pledged to choose a woman. But what else is he looking for in a vice presidential nominee? CONT.
William D. Adler (Northeastern Illinois U.), Julia Azari (Marquette) & Perry Bacon Jr., FiveThirtyEight