FILE - In this Feb. 4, 2015, file photo, state Sen. Todd Gardenhire, during a Senate Health Committee meeting in Nashville, Tenn. Twenty states already offer cheaper in-state tuition to students who are in the country illegally. Legislation making its way through the Tennessee Legislature would make it the 21st. The bill was proposed by Gardenhire, who argues that immigrants with college degrees will earn higher incomes and pay higher taxes, among other benefits.(AP Photo/Erik Schelzig, File)