Cardinals enter "Pro Eligendo Pontifice" Mass at St. Peter's Basilica on March 12, 2013 at the Vatican. RNS photo by Andrea Sabbadini

Are American Cardinals an endangered species?

The U.S. church not only marks the passing of Cardinal Francis George this week, but also the 80th birthday of Cardinal Justin Rigali — which means American representation in the College of Cardinals is significantly diminished, and at risk of declining further if Francis doesn’t act.