Julian Zelizer : The Trump administration is trying to make it harder for people who are in the country illegally — and especially those with children born here — to get driver's licenses. He says the Kentucky senator can appeal to younger Republicans with a libertarian brand of conservatism .
Julian Zelizer : Rand Paul , due to announce for presidency , has attracted a lot of attention . He says the Kentucky senator can appeal to younger Republicans with a libertarian brand of conservatism .