Tim Tebow with his family. Colorado Springs, Colo., Jan 18, 2010 / 07:18 pm (CNA).- A pro-life ad featuring college football star Tim Tebow and his mother will be aired during the Super Bowl broadcast on CBS. The 30-second ad, sponsored by Focus on the Family, intends to encourage respect for life.Tebow’s parents served as Christian missionaries in the Philippines. His mother, Pam, had contracted a life-threatening infection while pregnant with him, but she refused medical advice to abort her unborn son.The Super Bowl ad will tell their story, Focus on the Family says. Its theme will be “Celebrate...