Debbie Stabenow

Cardin leads fight over pesticides

Cardin leads fight over pesticides

Sen. Benjamin L. Cardin, a longtime advocate of the Chesapeake Bay, is wading into the high-profile debate over the federal regulation of pesticides -- instantly putting him at odds with fellow Democrats while potentially raising his national profile on environmental issues.

Maryland's junior senator is threatening to filibuster a proposal to limit the U.S. Environmental Protection Agency's oversight of pesticides that end up in the nation's waterways, including the bay. The move, which at the very least will delay the legislation, has set off a behind-the-scenes scramble among advocates who hope to override him if he carries through on the threat.

For his part, Cardin said he...