In his best-selling autobiography, "Dreams From My Father: A Story of Race and Inheritance," presidential hopeful Sen. Barack Obama, D-Ill., writes movingly about his high school best friend, whom he calls "Ray." Ray's real name is Keith Kakugawa. And Kakugawa's life could not have veered more starkly from that of his old friend, the presidential candidate. Kakugawa is currently homeless in Los Angeles, sleeping in the beat-up Mazda of his friend Jason Myles. He has been in and out of prison for the past few decades, mostly on charges related to cocaine possession and dealing. "To be honest with you,...