Where vocational expert did not clearly testify as to methodology for calculating estimate of available jobs for claimant, remand was necessary for new benefits hearing.The 7th U.S. Circuit Court of Appeals reversed a decision by Judge William C. Lee, Northern District of Indiana. Aaron Brace, 40, was injured on the job in 2013 and can no longer perform his past work in health service, food service and construction. Brace applied for disability benefits, claiming persistent back and neck pain and a host of other conditions …