FILE - In this Friday, March 23, 2012 file photo, Mexico's President Felipe Calderon, left, looks on as Pope Benedict XVI is greeted by children at the airport in Silao, Mexico, his first to the ... more 
FILE - In this Friday, March 23, 2012 file photo, Mexico's President Felipe Calderon, left, looks on as Pope Benedict XVI is greeted by children at the airport in Silao, Mexico, his first to the country. Pope Benedict XVI announced Monday, Feb. 11, 2013, he would resign Feb. 28 because he is simply too old to carry on. (AP Photo/Gregorio Borgia, File) less 
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Associated Press | Photo By Gregorio Borgia, File
Mon, Feb 11, 2013 8:14 AM EST