After failing to agree on a contract for worker’s wages, workers from Grass Valley’s Raley’s grocery store say they have no other option but to join a union-led strike that began Sunday. “We are trying to stand strong and send a message,” said meat cutter Vince Criesco. “It’s unfortunate what the store is doing.” According to United Food and Commercial Workers, the union of which some local workers are members, Raley’s management has threatened to impose its terms on workers and retirees, which include elimination of health care for retirees, severe cutbacks in health care for current workers and reduction …