Martin O’Malley challenges Hillary Clinton
Eric Bradner
Elizabeth Warren has made her signature, but that haven’t found a champion in the presidential race.
['Elizabeth', 'Warren', 'has', 'made', 'her', 'signature,', 'but', 'that', 'haven’t', 'found', 'a', 'champion', 'in', 'the', 'presidential', 'race.']