The American family is at the center of a great struggle between good and evil, Wichita Bishop Thomas Olmsted said Saturday at a conference of Catholic families that drew 3,500 people to Century II. That struggle will soon include a national debate on marriage, said U.S. Sen. Rick Santorum, R-Pa., who along with his wife, Karen, addressed the Midwest Catholic Family Conference. The conference continues today. Cheers greeted Rick Santorum, who pointed to abortion as one of the main causes of the breakdown of the family. Santorum said abortion attacks the family because it causes parents to see children as...