A man convicted of bank fraud is entitled to a new trial following the disclosure of a secretly recorded conversation that could have been used to impeach a prosecution witness, a divided federal appeals court held Monday.In a 2-1 decision, the 7th U.S. Circuit Court of Appeals upheld a ruling by U.S. District Judge James E. Shadid of the Central District of Illinois that the recording contains evidence favorable and material to Daniel Ballard’s defense.The court’s majority noted prosecutors do not deny that …