Associated Press: State Senate President Pro Tem Darrell Steinberg and Assembly Speaker John Perez have asked U.S. Attorney General Eric Holder to open an investigation into a tiny Missouri nonprofit organization that has pumped nearly $500,000 into a voter initiative to suspend the state’s landmark climate change law. In a letter to Holder on Tuesday, Steinberg, D-Sacramento, and Perez, D-Los Angeles, asked the Justice Department to determine whether the Adam Smith Foundation is illegally funneling …