A new poll by Public Policy Polling (PPP) finds Sen. Joni Ernst struggling against the four Democrats running for Senate in head-to-head matchups. The North Carolina-based polling firm surveyed 572 Iowa voters from Aug. 18 to Aug. 19. Sixty-nine percent of respondents were surveyed via texted questions, while the remaining 31 percent responded to questions … Continue reading New poll finds Sen. Joni Ernst struggling against Democratic challengers