Has the San Joaquin Valley reached its Chinatown moment? For farmers who rely on water from the Kings River, the answer winds up as some shade of “yes.” But the players are different. This isn’t the Owens Valley and William Mulholland doesn’t work for the City of Los Angeles. Uneasy about a slowly-marching plan to siphon Valley water for Southern California, farmers and some water managers are worrying about the growing shadow of one of the region’s largest land owners.