James Hohmann @jameshohmann
Sen. Joni Ernst is in deep trouble in Iowa. Bad when an incumbent can’t break 42 percent. SCOTUS is the wildcard. — PolitiTweet.org
Rachel Stassen-Berger @RachelSB
👀NEW IOW POLL 👀 Democrat Theresa Greenfield: 45% Republican U.S. Sen. Joni Ernst: 42% Someone else: 3% https://t.co/4W8npc6a4S