 Complete the following phrase:  Busch also has a bitter history with Kevin Harvick. They raced each other at carnivals and go-kart tracks as teenagers and sparred many times starting in 2001. Their feud came to a boiling point in spring 2006. At Bristol in 2006, Harvick spent the drivers meeting and his pre-race interview taunting Busch following a feud at Atlanta. Busch ignored his insults and won the race, while Harvick ended up in second place. When Harvick was interviewed after the race ended he said that he was happy with his finish but said he was very upset to see Busch win, before calling Busch a whiner. Richard Childress later apologized for his drivers comments and NASCAR gave Harvick a warning not to target Busch. In 2007 when Harvick won two races Busch dominated such as the 