Donald Trump's unflinching antagonism toward illegal immigration has galvanized activists who have grown to mistrust politicians on the issue, even those who have claimed to be as committed to the cause as they are.
And yet, for some, there is one nagging question that the candidate seems content to let linger - whether Trump's Slovenian-born wife followed the law when she moved to the United States.
18:22 Trump christens D.C. hotel, lauds Newt Gingrich for sparring with Megyn Kelly7
16:52 The Latest: Clinton says Trump ‘not the change we need’12
14:11 The Daily 202: The agonizing torment of a dozen undecided voters in North Carolina11
23:47 Amid lagging polls, Trump stops holding high-dollar fundraisers15