Mickey, Donald, Pluto and Goofy are helping to keep Don Perata out of jail and they may not even know it. The Walt Disney Co. is one of a number of well-known groups and companies that has pumped money into the former Oakland state senator's "Leadership California" fund, which was put together in 2005 to raise money "to support or oppose state and local ballot measures and other lawful purposes." In the past year, that "other lawful purpose" has been stoking the cooling boiler of Perata's legal defense fund, which has paid out about $2 million to attorneys charged with...