WASHINGTON -- Rep. Richard Pombo, the Tracy Republican who heads the House Resources Committee, stirs conflict with almost every major initiative he launches, from offshore drilling to Indian gambling. Few members of Congress have as much influence over the nation's environmental laws as Pombo. And no topic has been more contentious than his legislation to overhaul the Endangered Species Act. The House approved Pombo's sweeping rewrite of the 1973 law on a 229-193 vote in September. It was widely denounced by environmentalists as a disturbing retreat from habitat protection and a paperwork nightmare for agencies seeking to revive the country's...