This is a special report from The Center for Public Integerity, a member -- like the Sunlight Foundation Reporting Group -- of the Investigative News Network.

HARTFORD, Conn. — In the bare-knuckle war over toxic chemicals, the fight between industry and activists has shifted noticeably from Washington, D.C., to state venues such as the golden-domed Capitol that rises over Hartford like a lordly manse.

What happened this year in Hartford shows how industry — fueled by the American Chemistry Council, a $100 million a year advocacy group glittered with Fortune 500 partners — is flexing its muscles from statehouse to statehouse to beat back ...