The California Shark Protection Act would force retail shops, restaurants and small processing plants to deplete their entire stock of shark fins by the end of 2012, according to McClatchy.
Visa and MasterCard now face a massive class action, led by Wal-Mart Stores (nyse: WMT - news - people ), that accuses them of using their clout in the credit card market to force retailers to accept their debit cards, which carry higher processing costs.