Two quotes from GOP senators explain the GOP tax bill -- CNN

To call the legislation passed in the Senate early Saturday morning a "tax bill" way undersells the scope of its expected effects on American life. In reality, the Republican plan represents a generational effort to reshape the US economy, slashing corporate rates and taxes that primarily affect the wealthiest. ....
http://www.cnn.com/2017/12/04/politics/chuck-grassley-orrin-hatch-explain-republican-tax-cuts/index.html