Chicago mayoral runoff tests Democrats racial and ideological divides CNN Politics

Chicago CNN — Brandon Johnson sought to echo Martin Luther King Jr. last week at the biggest rally of the Chicago mayor’s race so far, telling a crowd of thousands that the election was an opportunity to “take the progressive movement around the world.” Johnson, the progressive Cook County commissioner, faces moderate former Chicago public schools chief Paul Vallas in the Second City mayoral runoff on Tuesday – a day that marks the 55th anniversary of King’s assassination. At the rally Thursday, Johnson invoked King’s remarks during a 17-month campaign that began in 1965 to reverse discriminatory housing practices in…