The federal government is becoming impatient about cleaning up the Chesapeake Bay. Officials said they would clamp down on pollution from farms, cities and suburbs by expanding and tightening federal regulations. They also are talking about taking control of fisheries management from the seven states in the region that drains into the bay. The ideas are included in a series of draft reports released by the Chesapeake Bay Program. William C. Baker, the president of the Chesapeake Bay Foundation, says he is encouraged, but wishes there were more specifics on actions to be pursued by the Environmental Protection Agency. A full cleanup strategy will be tackled in November.