It's a message that Warren has been pushing for the span of her campaign, and one that the Democratic Party as a whole has embraced in the first two days of its national convention. Warren hopes that her message of fighting for the little guy will resonate with voters in Massachusetts more than an attack on the well-liked incumbent Sen. Scott Brown (R-Mass.) would.

She remains virtually tied with Brown in a race that Democrats hope to win, considering the fundraising prowess of their candidate and the deep-blue nature of the state. But Brown has remained strong, largely due to his likeability as a candidate, so the race is likely to be a close one right up through November.

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