Obama, Castro head toward historic encounter

US President Barack Obama and Cuba's Raul Castro will break bread with other Americas leaders at a historic summit Friday, a potent symbol of their efforts to end decades of animosity. As the gathering in Panama approached, a White House official revealed that Obama and Castro had spoken by telephone on Wednesday. Obama and Castro will join some 30 other leaders at the two-day Summit of the Americas, posing for pictures and sitting down for a seaside dinner in a complex of ruins from the er