One of America's most prominent Catholics has joined the chorus slamming the University of Notre Dame for inviting President Obama to speak at the school's May 17 commencement.

Cardinal Francis George, the archbishop of Chicago, called Obama's planned appearance an "extreme embarrassment" to Catholics while speaking at a recent conference hosted by the archdiocese's Respect Life office in Rosemont, according to a video his remarks on lifesitenews.com.

"[T]he problem is in...