Well, that didn’t take long. A non-White American citizen born right here in the United States has gotten a spot on the Democratic presidential ticket, and the birthers have come scurrying out from whatever rock they have been living under since Barack Obama left office. Within hours of former vice president Joe Biden’s announcement Wednesday of his history-making running mate, once-reputable Newsweek posted a story posing “Some Questions for Kamala Harris About Eligibility.” The author, John Eastman, a conservative law professor, wrote that “some” are “questioning” whether Harris might be “constitutionally ineligible” to be vice president because, should she have...