Pope Benedict arrives at the White House April 16, greeted by President George and First Lady Laura Bush. In a welcoming ceremony on the South Lawn, the president said, "We welcome you with the ancient words commended by St. Augustine: Pax Tecum. Peace be with you." The pope said, "I am happy to be here as a guest of all Americans. I come as a friend, (and) a preacher of the Gospel." CS PHOTO BY RAFAEL CRISOSTOMO