Advisers to President Donald Trump are reportedly working on a plan to slash the "middle class" tax rate to 15 percent, a pre-election effort that tax experts and progressive critics slammed as an admission that the first round of Republican tax cuts did nothing for most Americans while further enriching the wealthiest. "Here we go again," Americans for Tax Fairness executive director Frank Clemente said in a statement Tuesday, pointing out that the 2017 GOP tax law was also sold as a "middle class tax cut." "Raising the idea of a new 'middle class tax cut' is an admission by the president that his first tax cut was a scam.