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Washington (CNN) - Democratic Sen. Kay Hagan is clinging to a narrow lead over Republican challenger Thom Tillis in North Carolina, a new CNN/ORC International poll shows.
Hagan led with 48% support to 46% for Tillis, the state House speaker, in the survey of 559 likely voters, conducted Oct. 27-30 and with a margin of error of plus or minus four percentage points. Libertarian Sean Haugh polled at 4%.
Meanwhile, in Iowa, Republican Joni Ernst has a small lead over Democrat Bruce Braley.
A new CNN/ORC International poll shows Ernst had 49% support, topping Braley's 47%, in the survey of 647 likely voters, which was conducted Oct. 27-30 and has a margin of error of plus or minus four percentage points.