Joining mayor's race, Giannoulias casts himself as a coalition builder, says Johnson ‘has not met the moment’

Taking aim at Brandon Johnson’s revolving door of senior leadership, Illinois Secretary of State Alexi Giannoulias joined the race for mayor Sunday, portraying himself as the coalition builder needed to solve Chicago’s enormous problems. Giannoulias enters the race as a presumed frontrunner with a political target on his back after raising $22 million from business leaders and building trade unions. At the risk of biting the hand that fed his campaign, Giannoulias vowed to support the…