Bill Armstrong, a former U.S. senator, congressman, owner of the defunct Colorado Springs Sun daily newspaper, and president of Colorado Christian University in Lakewood, died Tuesday, after a five-year struggle with cancer. He was 79. Armstrong served two terms in the U.S. Senate after defeating Floyd Haskell in 1978. He declined to seek a third term, ending a career in elective office that began with his election to the state House of Representatives in 1963. ... As president of Colorado Christian University, Bill Armstrong sought to 'pass the torch' by preparing students for their future roles in leadership." ... Colorado...