Iowa Poll: Republican Joni Ernst pulls ahead of Democrat Theresa Greenfield in closing days of U.S. Senate race - Des Moines Register

1. Iowa Poll: Republican Joni Ernst pulls ahead of Democrat Theresa Greenfield in closing days of U.S. Senate race  Des Moines Register
2. Sen. Grassley: I have seen the same energy in Iowa that I saw in 2016  Fox News
3. Poll: Ernst pulls ahead of Greenfield in Iowa  POLITICO
4. GOP increasingly worried about losing Senate control  Yahoo News
5. Coastal donors pouring cash into tight Iowa Senate race  Fox News
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