Pope Francis, who has taken a public role in U.S.-Cuba relations, will visit Cuba on the way to the United States this fall, the Vatican announced Wednesday. (...)Pope Francis, who followed his predecessors Pope Benedict XVI and Pope John Paul II in visiting Cuba and calling for an end to U.S. travel and financial restrictions on the nation, wrote letters to Obama and Cubaan President Raúl Castro urging them to settle outstanding issues and clear the way for a deal.