Schwarzenegger Adviser Buffett Hints Property Tax Is Too Low Targeting State's Proposition 13 Is Unlikely Republican Stance By JOSEPH T. HALLINAN Staff Reporter of THE WALL STREET JOURNAL Warren Buffett, the billionaire financial adviser to Arnold Schwarzenegger's campaign for California governor, strongly suggested in an interview that the state's property taxes need to be higher. Mr. Buffett, the chairman of Berkshire Hathaway Inc., took on California's famous Proposition 13, which has limited property taxes there since 1978. As an example, he pointed out the difference between his own property-tax bills for homes he owns in California and Nebraska. His home...