The Senate’s passage (51-49) of the budget blueprint last week paves the way for Republicans plan to tinker with the tax code with just GOP votes, which means that tax negotiations have entered a new phase. Last week, the President’s Council of Economic Advisers argued thatPresident Trump's tax plan, which aims to reduce the top corporate tax rate from 35 percent to 20 percent, would boost the average American family’s income by $4,000 under . Critics, including former treasury secretary Lawrence Summers, questioned the $4K promise.