The New York Times on Saturday called for the Democratic National Committee to investigate the sexual assault claims against presumptive Democratic nominee Joe Biden -- a day after he denied the allegations for the first time. “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 seeking the nation’s highest office,” a column by the Times’ Editorial Board said. The call came a...