An administrative law judge did not abuse his discretion when he declined to order a vocational expert to turn over the data that led him to conclude a man seeking disability benefits could still work, a federal appeals court held.The 7th U.S. Circuit Court of Appeals on Wednesday wrote Joseph Krell apparently wanted to require the expert to produce his underlying sources on demand at a hearing on Krell’s application for Social Security disability benefits.Citing McKinnie v. Barnhart, 368 F.3d 907 (7th Cir. 2004), a panel …