Christian Science Monitor: With the Deepwater Horizon oil spill there’s new interest in a national coastal rescue corps to augment the kind of industry and US Coast Guard safeguards that haven’t adequately protected sensitive shorelines and economies. “What you need are local watchdogs to monitor oil exploration and transportation,” says Steven Picou, a sociologist at the University of South Alabama who studied the aftermath of the Exxon Valdez disaster. “The tragedy is that such programs usually come about only after …