Columbus - A politically connected investment firm lost $215 million in Bureau of Workers' Compensation money, triggering an agency shake-up, a wide-ranging criminal investigation and calls by Democrats for Gov. Bob Taft's recall. Losses by the Pittsburgh-based MDL Capital Management dwarf the estimated $10 million to $13 million missing from BWC's rare-coin investments and raise new questions about the abilities of former bureau administrator Jim Conrad, who initially soft-pedaled information that surfaced about the losing investments. Agency officials believe the losses are among the largest by a single money manager in BWC history, but emphasize that the $14 billion portfolio...