Facing a perceived betrayal during a make-or-break election season in 2018, former Illinois House Speaker Michael Madigan called the person he often sought counsel from: longtime friend and confidant Mike McClain.Several Democratic candidates running for the state Senate were using lines in their campaign ads explicitly calling for “term limits for leaders like Mike Madigan.” The candidates all used that same exact phrase in materials paid for by a fund run by Madigan’s counterpart in the other chamber of …