A 24-year-old former substitute teacher from Iowa who was arrested in July after admitting to a sexual relationship with a 17-year-old student says he had swept her off her feet with love notes scribbled on Post-Its. Mary Beth Haglin, of Cedar Rapids, has been charged with misdemeanor sexual exploitation by a school employee in connection to her six-month tryst with a male student at Washington High School. On Wednesday, Haglin pleaded not guilty to the charge in writing, and her trial date has been set for November 14. If convicted, she could face up to two years in prison and...