A slip of the tongue, of course, and we're guessing plenty of Americans mix up Vermont and New Hampshire, at least on the U.S. map. But Warren is from a state that borders both of those states, and the man she beat in 2012, former senator Scott Brown (R), is challenging Shaheen in the Granite State.
It also suggests that Warren hasn't exactly been studying the politics of New Hampshire intently with an eye toward running for president 2016.