ROME (Reuters) - A homeless man who has long made his living fishing coins out of Rome's famed Trevi fountain was arrested Tuesday, police officials said. AP Photo Thousands of tourists stand with their backs to the Renaissance masterpiece and throw coins over their shoulders into the fountain every day in the hope they will return to the eternal city. The money is supposed to go to charity but police said since 1968, Roberto Cercelletta, who could face theft charges, has waded into the water at Neptune's feet every morning to retrieve the coins left behind, amassing a small fortune....