Transcript for Bernie Sanders poised to be top target at debate
Senator Bernie Sanders is now the leader of the race for the democratic nomination and with that newfound momentum. He's also facing a barrage of new criticism most Democrats are looking for a different answer. Then what senator Sanders is off I do not support Medicare for all I profoundly disagree with his solutions. Bernie supports the filibuster. All might get rid of the filibuster or. Some candidates going after standards on the trail other. Airway Michael Bloomberg in Joseph Biden in apple releasing attack ad. When it comes to do in on president Obama's legacy Bernie Sanders just. But Sanders appears on it it's staying on message. It is a little bit funny define myself as the so called for but he isn't the only one with a lot at stake at tonight's debate Michael Bloomberg trying to redeem himself accurate she performance in its first appearance. Non disclosure agreements. How many money. I former vice president Joseph Biden is looking to shore up support in South Carolina is so called Iger Walt. Tells ABC he notes in. Billionaire Tom Dyer will be back on the debate stage tonight the latest polls happen in third in South Carolina. Joseph Biden is still leading there but his lead over Bernie Sanders has dwindled. Cover all ABC news New York.
This transcript has been automatically generated and may not be 100% accurate.