Chicago mayor's race runoff: Voters go to the polls in race that highlights Democrats' divide

Two candidates representing opposite ends of the Democratic party are on the ballot in the highly-watched Chicago mayoral runoff on Tuesday. Paul Vallas, the former CEO of the Chicago school system, and Cook County Commissioner Brandon Johnson, a former teacher who is heavily backed by the Chicago Teachers Union, were the top two vote-getters in the February general election. Incumbent Mayor Lori Lightfoot came in third, so she will not be on the ballot on Tuesday. Polls will be open from 7 a.m. to 8 p.m. ET. "In general, the...