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Hillary Clinton has opened a 15-point lead over Donald Trump among likely Wisconsin voters in the latest Marquette Law School Poll.

The poll is the first in Wisconsin since Trump and Clinton accepted their respective parties’ nominations at the Republican and Democratic national conventions last month.

Before the conventions, Clinton led Trump among likely voters by four points, 45-41, but in the latest poll she leads 52-37. Among registered voters she led by six points before the convention, 43-37, and now leads 46-36.

Clinton is also closing the gap between her favorable and unfavorable numbers, while Trump’s gap has expanded. Before the conventions, Trump’s net unfavorable rating was 29 and afterward grew to 37. Clinton’s net unfavorable rating was 17 before the convention and shrank to one point in the latest poll among likely voters.

The poll was conducted after Trump had a tumultuous week in which he sparred with a gold-star Muslim family and withheld for several days his endorsement of House Speaker Paul Ryan, who trounced a feisty Republican primary challenger on Tuesday.