In this photo taken Tuesday, June 28 2011, State Sen. Mark Leno, D-San Francisco is seen at the Capitol in Sacramento, Calif., Leno's measure requiring public schools to teach the historical ... more 
In this photo taken Tuesday, June 28 2011, State Sen. Mark Leno, D-San Francisco is seen at the Capitol in Sacramento, Calif., Leno's measure requiring public schools to teach the historical contributions of gay Americans, was approved by the Assembly on 49-25 on a party line vote, Tuesday July 5, 2011. If signed into law by Gov. Jerry Brown, California would be the first state to require public schools to include the contributions of gays and lesbians in their social studies curriculum.(AP Photo/Rich Pedroncelli) less 
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Associated Press | Photo By Rich Pedroncelli
Tue, Jul 5, 2011 7:30 PM EDT