National Public Radio: After two decades of raising chickens at her farm on Maryland’s eastern shore, Carole Morison quit last year, in part because she was tired of polluting the Chesapeake Bay. “I’ll be the first one to say that I’m part of the problem,” Morison says. “My only wish is that other people would own up and quit the denial and finger-pointing and say, ‘We have a problem. Let’s fix it.’ ” More than 25 years ago, the federal government and several states pledged to restore the Chesapeake …