sentences:  Bowling became an official varsity sport in 1996, and Straub was hired as the full-time head coach, winning additional national titles in 1996, 1997, 1999, and 2001.In 2003, the NCAA sanctioned its first women's bowling tournament, won by Nebraska.The Cornhuskers won the following year as well, and have since won three more titles and finished runner-up four times.