Late-night rivals David Letterman and Jay Leno appeared to have made amends in their Super Bowl commercial promoting the "Late Show," but that didn't stop them from making jokes the very next day. In the ad, the two talk show hosts, with Oprah Winfrey sandwiched in the middle, shared a couch to view the big game as buddies. Leno revealed why he agreed to do the spot, saying, "No matter what animosity there is between comedians, a good joke is a good joke." However, Jay thanked Dave for asking hi...