Daley: What, me worry?

Seven out of 10 Chicago voters don’t believe Mayor Richard Daley’s assertions that he was unaware of wrongdoing in city contracting and hiring, but more than half of voters still approve of the job he is doing, a new Tribune/WGN-TV poll shows. "I take responsibility [for the wrongdoing], but let's be realistic," he said. "I can't know everything. I wish I did. It's impossible."