Pope Francis holds an audience at the Paul VI hall, in Vatican City on March 16, 2013.

Ohio Representative Dennis Kucinich

Ohio Representative Dennis Kucinich

A 2010 screen grab of a video reportedly released by Nigeria's Boko Haram shows alleged members gathered in an undisclosed location

Pope Benedict XVI waves during his Wednesday general audience in Paul VI hall at the Vatican on March 2, 2011

Democratic presidential hopeful Representative Dennis Kucinich

Pope Benedict XVI looks on during his Wednesday general audience in Paul VI hall at the Vatican January 28, 2009.

An out of work couple eats lunch at the Central Park United Methodist Church which has a soup kitchen and food pantry on Oct. 20, 2011 in Reading, Pennsylvania.

Terror alert A Nigerian soldier guards a canal in Maiduguri, the town where the Boko Haram movement arose

A screen grab made on October 21, 2010 in Kano from a video allegedly released by the Nigerian Islamist sect Boko Haram in northern Nigeria shows two alleged sect members standing against a background of a Google Earth shot of the northern Nigerian city of Bauchi.

Pope Benedict XVI arrives for the weekly general audience in the Pope Paul VI hall at the Vatican.

Pope Benedict XVI attends an oratory concert "Resurrexi" offered by the Italian Bishops Conference at the Paul VI Hall at the Vatican, Wednesday, May 23, 2007.