12 states up for grabs in make-or-break contest
'She's always been a voice for the voiceless'
2016 hopeful has victory margin of more than 20 points
HRC, others call on Federal Trade Commission to take action
Takano, Polis announce new political action committee
'Could provide critical vote on legislation impacting our lives'
Former front-runner gone after abysmal showing in South Carolina
Race ugly even by GOP standards in days leading up to election
Both Democratic candidates made pitches to Latinos ahead of contest
2016 hopeful says she's 'absolutely adamant' in favor of marriage