The idea of a greatest hits album seems to get smaller and smaller as the music business does, so it's always noteworthy when a newer artist releases one. Such is the case for Chris Daughtry, the American Idol runner-up who remained a consistent pop-rocker after his time on the show had ended. The forthcoming It's Not Over...The Hits So Far chronicles that decade in one succinct package. Daughtry, who finished the singing competition in fourth place behind winner Taylor Hicks and runner-up