This is huge, John: Nate Silver's FiveThirtyEight is calling the race for Iowa's Senate seat a toss up. But poll after poll shows our race is within the margin of error, and analysts from Politico and Cook Political Report also call our race a toss up. This race is a dead heat, plain and simple.

John -- this is the closest race in the entire country. That's why Mitch McConnell and his allies are spending more than $70 MILLION to defeat this grassroots team. They know we have what it takes to win, which is why they're doing everything in their power to try to stop us. We can fight back -- but only if we all work together right away.

If we lose Iowa, we lose our best shot at taking back the Senate majority. Iowans are already going to the polls, so we need all hands on deck right away to turn this toss up race into a win.

Will you pitch in $5, or whatever you can, to help us flip this seat and take back the Senate majority?

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Thanks,

Team Greenfield