As the worst drought in California's history continues to batter the state, conflicts over water rights and water distribution are intensifying into all-out water wars. Tensions between state water regulators and San Joaquin Valley irrigation districts are turning into pitched legal battles as the state orders groups of farmers to curtail water usage. Meanwhile, opposition to Governor Jerry Brown's proposed delta tunnels is increasing in light of the gravity of the drought. Pacifica's Liam McLaughlin reports.