A new NBC News/Marist poll in Illinois finds Donald Trump leading the GOP primary field with 34%, followed by Ted Cruz at 25%, John Kasich at 21% and Marco Rubio at 16%.
On the Democratic side, Hillary Clinton leads Bernie Sanders 51% to 45%.
A new CBS News/YouGov survey finds Trump leading with 38%, followed by Cruz at 34%, Kasich at 16% and Rubio at 11%.
On the Democratic side, Sanders leads Clinton 48% to 46%.
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