SAN DIEGO (AP) - Adam Riojas waited 13 years for freedom before Arnold Schwarzenegger turned the key. Convicted in 1991 of murder, the former real estate agent maintained his innocence and turned down offers of a plea bargain. Then in 2002, relatives told the state parole board that they had heard Riojas' estranged father, a drug smuggler, confess to the killing shortly before his own death. The board, with no objection from the prosecutors who put Riojas behind bars, decided he deserved parole. Their recommendation was sent to Democratic Gov. Gray Davis, who, having publicly vowed to keep convicted murderers...