(August 10, 2015, 12:21 PM EDT) -- NEW YORK — New York City sanitation workers who filed a class complaint alleging discriminatory promotion practices failed to present sufficient statistical evidence and exhaust their administrative remedies, the Second Circuit U.S. Court of Appeals ruled July 31 (Andrenia Burgis, et al. v. New York City Department of Sanitation, et al., No. 14-1640, 2nd Cir.; 2015 U.S. App. LEXIS 13353)....