Commentary As Congress continues to debate the SALT deduction and its effect on rich people, never discussed is how it also slams California’s middle class. SALT stands for “state and local taxes.” In 2017, then President Trump’s tax reform limited it to just $10,000. That meant wealthy people would pay more federal tax in high-tax states, such as California (13.3 percent top state income tax), New York (8.82 percent) and New Jersey (10.75 percent). But what’s never mentioned is how the $10,000 SALT deduction cap also hits California’s middle class. That’s because the state’s 9.3 percent income tax begins at just $58,634 of income ($117,268 for joint filers). Which is less than New York’s top rate of 8.82 percent. In New York, an income of $58,634 would pay just 5.97 percent of income in state taxes. But the real biggest problem is the immense cost of living in California from …