In the July 30-August 6 edition of America, Vincent Gragnani writes about the new, lay face of missionaries. As the number of priests and religious ministry around the globe declines, he writes, lay people are helping to fill the gap. Mr. Gragnani is a graduate of the University of California at San Diego and a former staff writer at the Southern Cross, the diocesan newspaper of the diocese of San Diego. In addition to publishing in America, he has written for St. Anthony Messenger, One and U.S. Catholic. Mr. Gragnani agreed to discuss his article by email. How many lay missionaries are working today?