MIAMI (AP) - A Cuban exile who helped lead a group that tried for decades to overthrow Cuban President Fidel Castro has died. He was 88. Andres Nazario Sargen, who helped lead the paramilitary group Alpha 66, died late Wednesday of colon cancer, said his daughter, Olguita Nazario. He was diagnosed with the disease 18 months ago but continued working at the group's headquarters until about three weeks ago. "He told everyone, 'I'm fine. I'm fine.' He was so convinced. He never thought he would die," his daughter said. "He convened a meeting for this Saturday at the office." During...