President Obama presented Pope Benedict XVI a letter from Sen. Edward Kennedy during their meeting at the Vatican Friday, and asked the Pontiff to pray for the senator, who is being treated for brain cancer. White House Press Secretary Robert Gibbs told reporters the president called the Massachusetts Democrat after the meeting. Gibbs said the two spoke for about 10 minutes as Air Force One left Rome heading for Ghana, "telling him he had delivered the letter on his behalf to the Pope." The letter was described as personal. According to Deputy National Security Adviser Denis McDonough, "the contents of...