Tax Reform: What do you call a tax break that delivers 88% of the benefits to upper-income families and subsidizes rich states at the expense of poor ones? If you're a Democrat, you call it a sacred cow. One provision of the Republican's tax-cutting plan that has drawn intense opposition from Democrats is the elimination of state and local tax deductions for those who itemize. ... Fewer than 22% of tax filers even claim the state and local tax deduction, and the vast majority of these are higher-income families. While 78% of those with incomes above $200,000 claim the deduction,...