CNBC Undercard Republican Debate: Live Coverage

Jindal said the most important part of his tax plan is the 2 percent tax rate he’d impose on those Americans who currently pay no income tax, saying “everyone should pay something.” However, people who don’t pay income tax still often pay payroll tax, sales tax, and state and local tax. Citizens for Tax Justice estimated that in 2011, the poorest 20 percent of Americans had an average income of $13,000 and paid 12.3 percent of that to state and local taxes.

Don’t worry too much about a Fed rate hike — interest rates are going to stay low for a long while.

Lindsey Graham defended lower corporate tax rates. Most Americans are not on board with him. In an April 2015 Gallup poll, 69 percent of Americans said they think corporations pay too little in federal taxes. Just 9 percent believe they pay too much.