SANTA FE, New Mexico (Reuters) - A New Mexico judge on Wednesday blocked a move by the state's Republican governor to make it harder for illegal immigrants to keep driver's licenses in the state. Governor Susana Martinez's administration last month ordered the state to reverify the physical residency of foreign nationals who hold New Mexico driver's licenses in order to get or keep their licenses.But District Court Judge Sarah Singleton in Santa Fe issued a temporary restraining order blocking the program, arguing in a brief ruling that "irreparable injury" would occur from "constitutional deprivations to the applicants