DE SOTO, Kan. (AP) — The sheriff in Kansas' most populous county faced no opposition to his reelection four years ago, extending a decades-long Republican lock on the office despite big gains locally by Democrats during the Trump era. Then he took on election fraud as a cause. The GOP in Johnson County in the Kansas City area is deeply divided over Sheriff Calvin Hayden's investigation for at least two years into what he has called scores of tips about potential election irregularities, with no criminal charges filed so far.