BERLIN - Many German families have faced the uncomfortable question: What did grandpa do during World War II? Now, the answer may be just a few clicks away – but it may not be what they wanted to hear.In March, the US National Archives posted online the digital scans of roughly 12 million membership cards from Adolf Hitler’s Nazi party.The records, seized by American troops after the Nazis were defeated in World War II, had previously only been available on microfilm.Since the mass online release, secrets buried for decades were suddenly just a simple search away.The Die Zeit and Der...