evidence: The chain in question was released on November 4, as part of the ongoing release of Clinton’s emails from her time as secretary of state. The messages appeared to be related to climate talks in Copenhagen in December 2009, although they were redacted so that it is impossible to tell. They were sent to an email address that Chelsea Clinton used under an alias, "Diane Reynolds." It was not marked classified at the time. [...] Who? Hillary Clinton; Bill Clinton; Chelsea Clinton [...] And the looming questions about Clinton’s State Department emails make it harder to answer those questions. The Wall Street Journal reports that the FBI was probing the investigation, though it’s unclear what its status is.