Iowa GOP Sen. Joni Ernst stumbles over soybean question in debate against Democratic challenger

Sen. Joni Ernst (R-Iowa) and her Democratic challenger, Theresa Greenfield, held their third and final debate Thursday evening, both women appearing remotely. After about 20 minutes of technical problems, they fielded a series of questions on racism, protests, and agriculture. And Ernst appeared to be caught a little flatfooted on the farm front. Ernst and Greenfield both grew up on Iowa farms, and when asked, they explained why they left agriculture — Greenfield, now a businesswoman,...