Katie Couric's tenure as the anchor of CBS' 'Evening News' has been one of just as many highs as lows. Through it all, she's weathered the storm -- both critical and public -- and persevered despite generally ranking last among the Big Three network evening broadcasts for almost all of her time at CBS since 2006. And, as everyone saw with Conan O'Brien and Jay Leno, the business side of television can be a demanding and cruel landscape, and with Couric's (very meaty) contract up next year, many are pondering what will transpire with CBS' Couric conundrum.