Oysters could help researchers learn about some of the region's most extreme coastal habitats. San Diego scientists are launching an effort to understand local estuaries. Plus, The San Diego-based Bumble Bee Foods filed for bankruptcy last week. Now, a Taiwan-based firm is planning to buy the tuna fish company’s assets. And, embattled Republican Congressman Duncan Hunter, who faces federal corruption charges, is set to appear in court Monday. What we can expect at the hearing.