Trump thanks Republicans for delivering largest tax cuts in history, slaps Dems President Trump thanks the Republican Party for delivering the largest tax cuts in history during the State of the Union. NEW You can now listen to Fox News articles! FIRST ON FOX - A leading conservative issue advocacy group aligned with House Speaker Mike Johnson is shelling out big bucks to highlight the tax cuts in the so-called "Working Families Tax Cuts Act." The American Action Network (AAN) on Tuesday is