Ex-Vice President Al Gore is scheduled to host NBC's "Saturday Night Live" next month, the comedy show announced on its Web site this weekend. "Robert DeNiro and former Vice President Al Gore are slated to host December episodes of 'Saturday Night Live,'" according to a report by Saturday-Night-Live.com's Sean Bradley. An accompanying SNL schedule shows Gore slated to appear December 14. The broadcast would likely give Gore his largest TV audience since he conceeded the presidential election exactly two years to the day from that date. Gore watchers have said that he'll make up his mind on whether he'll...