Gray Davis, the California Teachers Association, and their messy breakup. Amidst California's $23.6 billion deficit — a deficit larger than the combined state budgets of Arizona, Colorado, New Mexico, and Utah — comes news that Gov. Gray Davis is dropping his controversial program of cash rewards for public schools with better test scores.The money's not there to continue the $100 million annual program, the governor's office says. And that's perfectly fine with the California Teachers Association, which has argued from day one of the Davis administration that money does not motivate teachers.Which is less than can be said about the...