Senator Mark Leno-D of San Francisco, (left) and Senator, President Pro Tempore Darrell Steinberg-D of Sacramento, in a discussion on the floor of the Senate Chamber at the State Capitol, in Sacramento, Ca., on Thursday May 3, 2012. When Californians go t

Senator Mark Leno-D of San Francisco, (left) and Senator, President Pro Tempore Darrell Steinberg-D of Sacramento, in a discussion on the floor of the Senate Chamber at the State Capitol, in Sacramento, Ca., on Thursday May 3, 2012. When Californians go to the polls this year, first in next month's primary and then in the November election, they could do something that hasn't happened since the fallout from the Watergate scandal, give one party a supermajority in the Legislature. (Photo By Michael Macor/The San Francisco Chronicle via Getty Images)