Nuclear Non-Proliferation; Johnnie L. Roberts; Westminster Dog Show '04

Former senator Sam Nunn and correspondent David Sanger analyze the pros and cons of President Bush's speech regarding his proposed international nuclear non-proliferation treaty. Media reporter Johnnie L. Roberts analyzes the significance of Comcast's bid to buy Disney. A conversation with David Frei of the Westminster Kennel Club and dog handler Michelle Ostermiller, with the Best in Show winner Josh the Newfoundland.