BUENOS AIRES, Argentina (Reuters) - Two decades after the fact, Argentina's Navy admitted for the first time on Wednesday the notorious Navy School of Mechanics was a torture center during the bloody 1976-83 military dictatorship. In a rare admission of guilt by Argentina's armed forces for atrocities during the junta's "Dirty War," Navy Chief Admiral Jorge Godoy said President Nestor Kirchner had ordered the infamous building dubbed "Argentina's Auschwitz" be handed over to be turned into a museum. As many as 5,000 people were interrogated at the ESMA, as the building is known by its Spanish acronym, most tortured and...