Trump has a large lead among white voters without college degrees.
Clinton is favored by Hispanic voters in the state.
"I don't think that rhetoric is consistent with the views of most people in Illinois."
Trump hammers Clinton, Obama in speech to supporters
"By crossing the border illegally, they're by definition criminals," Rep. Steve King said.
"I am going to fight to give every Hispanic citizen in this country a better future."
The GOP nominee flubbed a line but turned it into a dig about Clinton's health.
Donald Trump said the former Texas governor is a "popular guy."
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Ed Rollins said Trump "has a chance" if turns things around quickly.