First Take: Gatto, Emmerson advance to runoffs. Boxer outraises Senate rivals. Palin probe expands

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Two legislative seats were up for grabs Tuesday, but both will ultimately be decided in June 8 runoff elections. In Los Angeles, attorney Mike Gatto bested two other Democrats to fill an Assembly vacancy. In Riverside County, Bill Emmerson (R-Redlands) was the top vote getter in the race to replace John Benoit.

Seema Mehta reports that ‘birthers’ and tea parties don’t mix -- at least when it comes to the U.S. Senate race. An activist who has challenged President Obama’s citizenship had her invitation to speak to a tea party rally pulled at the request of the GOP candidates for U.S. Senate.

Barbara Boxer has raised more money than any of her Republican challengers in the race for U.S. Senate.

Atty. Gen. Jerry Brown has launched an investigation into a foundation at Cal State Stanislaus that has refused to release documents pertaining to an upcoming speech by Sarah Palin.

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-- Anthony York