PHILADELPHIA — Vice President Kamala Harris’ debut appearance with her running mate and his runner-up here Tuesday night neatly illustrated the reasoning behind her choice.
Contrary to the wish-casting of the left and the sinister claims of the right, Harris didn’t select Gov. Tim Walz of Minnesota because she is beholden to her party’s base or, more absurdly, uneasy with a Jewish vice president. She picked Walz because she had…