The New York Times on Friday penned an editorial calling on the Democratic National Committee to investigate Tara Reade's sexual assault allegations made against former Vice President Joe Biden. The editorial board made the case that the DNC had an obligation to look into the allegations because Biden is the presumptive Democratic nominee. As is so often the case in such situations, it is all but impossible to be certain of the truth. But the stakes are too high to let the matter fester — or leave it to be investigated by and adjudicated in the media. Mr. Biden is...