Election 2020

AP explains: Why isn't there a winner of Iowa's Dem caucuses

Pete Buttigieg and Bernie Sanders
From left: Democratic presidential candidate former South Bend, Ind., Mayor Pete Buttigieg on Jan. 26, 2020, in Des Moines, Iowa; and Democratic presidential candidate Sen. Bernie Sanders, I-Vt., in Sioux City, Iowa.
Andrew Harnik and John Locher | AP