(FILE) Former US President George W Bush Publishes His New Book

(AFP OUT) Pope Benedict XVI reacts to the cheering crowd as he stands with U.S. President George W. Bush upon his arrival at Andrews Air Force Base, April 15, 2008 in Camp Springs, Maryland. On Wednesday Pope Benedict XVI will visit the White House and on Thursday he will he will say Mass at the Nationals Baseball stadium.
(April 14, 2008 - Source: Mark Wilson/Getty Images North America)