Hillary Clinton’s top advisers charge that the presidential candidate was unfairly targeted by moderator Tim Russert during Tuesday night’s Democratic debate in Philadelphia. Russert asked Clinton a number of tough questions during the MSNBC-sponsored debate, including one on Social Security and another on the release of documents from the Bill Clinton administration, as she sought to fend off attacks from her Democratic rivals. Mark Penn, Clinton’s senior strategist, said: “Russert made it appear that President Clinton had done something new or unusual†in regard to the release of documents. “I think there will be further clarification.†Penn and Jonathan Mantz,...