5 who made a difference

''Something's got to be done about this!" All of us have said it at one time or another, but how many of us have actually been the one to do something? Here are five stories about people who saw a problem and did. All of them are private citizens. Mention their names to local officials, and you might hear groans. In singling them out, we do not necessarily endorse their causes. But we do recognize their energy, their gumption, and their persistence.