Last night on The Daily Show, Jon Stewart held a press conference to discuss his much-panned coverage of college buddy and beleaguered sexter Anthony Weiner. "We did over 59 jokes, 9 penis puns," he says, "and I recognize that it was not enough." To help him get through the conference, Stewart decided to make a batch of frozen margaritas - and that's when things took a bloody turn. A shattered martini glass cut Stewart's hand – "I probably need to go to the hospital," he quipped – but the he soldiered on. Watch both parts of Stewart's presser-gone-wrong below.