After spending quality time this past weekend as a bridesmaid of Alicia Keys (he's kidding, we think), Jon Stewart was back on Monday to discuss a more pressing issue: Chelsea Clinton's "wedding of the millennium." While beat reporters tripped over themselves  to get a glimpse of the wedding party or even a glance at an errant catering vehicle, The Daily Show host is content (as always) with gleefully sniping at the network news "imagineers."