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Ali Ata pleads not guilty

Ali D. Ata, 55, leaves the Dirksen U.S. Courthouse after pleading not guilty to a fraud charge that accuses him of misusing his post to benefit indicted businessman Antoin "Tony" Rezko. He was charged with aiding and abetting Rezko in a wire-fraud scheme. Rezko allegedly used bogus... Tribune photo by Chuck Berman