VATICAN CITY (CNS) -- Pope Benedict XVI will welcome U.S. President Barack Obama to the Vatican July 10 for an audience scheduled to begin at 4 p.m. Obama will visit Italy July 8-10 to participate in the Group of Eight summit, a meeting of leaders of the world's wealthiest nations. The meeting will be held in L'Aquila, site of a devastating earthquake in April. After the G-8 summit, the president and his wife, Michelle, are scheduled to fly to Ghana, arriving late July 10. Although Pope Benedict usually meets heads of state and government in the morning, the Vatican agreed...