Dan Chibnall, Annabelle Lolinco, and Riley Troyer co-authored this post.

Chuck Grassley, a Republican seeking an eighth term in the U.S. Senate, is concerned that science is becoming politicized, but fears any official responsible for stopping it could become politicized themselves.

Michael Franken, Grassley’s Democratic challenger, says the government should dismantle giant agricultural monopolies and promote regional food hubs to make Iowa farms more sustainable.