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Pro-Teachout poll puts Cuomo challenger at 26%

While Teachout insists she's running to win, there has been intense speculation over what share of the vote she'll receive today.

Challenger To Gov. Cuomo In State Primary, Zephyr Teachout Greets Voters
Zephyr Teachout, a democratic primary challenger to New York Governor Andrew Cuomo, speaks to reporters outside a voting station at Public School 153 on Sept. 9, 2014 in New York City.Getty Images

Steve Kornacki

Steve Kornacki, author of "The Red and the Blue: 1990s and the Birth of Political Tribalism," is a national political correspondent for NBC News and MSNBC.