"The battle over gay marriage in California has turned into one of the most expensive social issue campaigns in U.S. history. Campaign finance records show the money spent for and against Proposition 8 — the ballot initiative that would outlaw same-sex marriage in California — has surpassed $73 million. That's almost twice the total that was spent in the 24 states where similar measures were put to voters since 2004. As of yesterday, opponents of Proposition 8 had a slight lead in contributions, with nearly $38 million raised. Supporters of the gay marriage ban had raised nearly $36 million." [Fox News]