By Brandy McDonnellChecotah native Carrie Underwood marked the 15th anniversary of her win on "American Idol" Monday by retweeting a video from several of her fans congratulating her on the momentous moment and sharing how she has inspired them. ">Underwood beat out runner-up Bo Bice in the "American Idol" Season 4 finale on March 25, 2005.Read more on NewsOK.com