Three decades after his father was assassinated while running for president, Luis Donaldo Colosio Riojas is himself a rising Mexican political star -- and he wants a pardon for the convicted killer.
The budding politician was just eight when his father, Luis Donaldo Colosio Murrieta, was shot in the head during a chaotic electoral rally in Tijuana, near the US border, in an attack that stunned the nation.
