Editorials in a Catholic prep school’s student newspaper about same-sex marriage and gay teenagers are sparking debate about free speech in Minnesota, reports the Associated Press. Student-written opinion pieces in the newspaper at Benilde-St. Margaret in suburban St. Louis defended gay teenagers and criticized a DVD by Minnesota’s Catholic bishops that denounced same-sex marriage. The editorials and the nearly 100 comments they generated were deleted from the newspaper’s website over the weekend. The principal says they created confusion about church teaching and an intensity that made an unsafe environment for students…