Everything you need to know about how the State Department classifies information

We knew we'd get to this point in the Hillary Clinton e-mail story eventually: examining the nitty gritty of how information gets classified. 

A reminder of where we are: The FBI is looking into whether e-mails that crossed Clinton's private e-mail server, which she used exclusively as secretary of state, contained information that was marked classified at the time. Clinton maintains she neither sent nor received any information that was classified at the time. Continue>>>