The California Supreme Court today upheld the death sentence of a San Jose man convicted in 1989 after two trials on charges he killed a witness against him in a robbery case. Fermin Ledesma was originally convicted of first-degree murder and sentenced to death in 1980, in a case prosecuted by current Santa Clara County District Attorney George Kennedy, for the 1978 murder of Gabriel Flores, a gas station attendant Ledesma robbed and later killed after Flores identified him to police. That conviction was overturned in 1987 after the California Supreme Court ruled that he had received ineffective assistance from...