The lion's share of campaign donations for Gov. Jerry Brown's tax-raising Proposition 30 has come from public employee unions, but the effort also has the backing of many businesses, some of which do not appear to have a direct connection to the initiative.

Disney, Sony, CBS, NBC, Viacom, Warner Bros. and other entertainment businesses have given Prop. 30 a total of nearly $1 million. Pacific Gas and Electric Co., Occidental Petroleum and other energy companies have thrown in roughly $1 million between them.

Soft-drink companies - which are spending millions to try to defeat soda taxes in Richmond and El Monte (Los Angeles County) - have dipped into their campaign coffers to give half-a-million dollars to Brown's effort to temporarily raise state sales and income taxes.

Read more at the San Francisco Chronicle