Governor vetoes undocumented driver's license bill By DON THOMPSONAssociated Press Writer Gov. Gray Davis vetoed legislation letting some illegal immigrants obtain California driver's licenses Monday, as he completed action on some of the most controversial bills sent to his desk this fall. The governor's politically charged decision forced him to weigh what he said were increased security risks from licensing non-citizens after last year's terrorist attacks against the urging of immigrant rights groups that said it would make California's highways safer. Davis demanded a series of safeguards, including fingerprint background checks and cooperation with the federal Immigration and Naturalization...