Pressure is growing on the longest-serving state House speaker in American history to resign as federal investigators probe his relationships with corporate lobbyists.

Three state lawmaker corruption probes led Illinois’ governor to call for three resignations, but the fourth involving Illinois House Speaker Mike Madigan received a weaker response.

Federal investigators are looking into Illinois House Speaker Michael Madigan’s relationship with multiple corporations.

Multiple state lawmakers have been charged or associated with criminal conduct after passing the progressive income tax amendment on to voters.

Illinois House Speaker Michael Madigan’s relationship with ComEd is under strict scrutiny by federal investigators after he was implicated in bribery charges filed against the electrical company.

Sheldon Silver’s reign as speaker ended with corruption charges.

Larry Householder wields significant power as the House speaker in the Ohio State Legislature.

Illinois House Speaker Mike Madigan’s power over Illinois politics is more precarious than ever. A steady stream of federal investigations, wiretaps and raids of people close to him, a deferred prosecution agreement with Commonwealth Edison wherein the utility giant admitted to bribing the speaker, and a grand jury subpoena served to Madigan’s office have led...

The Illinois House speaker was implicated in criminal charges filed against electrical company ComEd.

Illinois House Speaker Mike Madigan's iron grip has five fingers: the rules, the party, the map, the law firm, and taxpayer-funded patronage.