Yesterday, Howard Portnoy wrote about a snag presumptive Democratic nominee Joe Biden encountered during an interview with CNN’s Anderson Cooper. When asked about his former boss’s role in the current shortage of N95 masks, Biden claimed, “I wasn’t a part of it.” This protestation of innocence would be a little easier to stomach if the former vice president hadn’t cultivated the silly habit of referring on the campaign trail to the previous administration as the “Obama-Biden administration.” But it turns out that Biden’s denial was not the only rough patch he encountered during the interview. He also ran afoul of a best...