Bernie has one problem he will have to overcome.

[Expect2Win]

President Obama was getting endorsements. Bernie not being a member of the Democrat party hurts. I am not sure if he can overcome it.
http://www.nbcnews.com/politics/2016-election/bernie-sanders-colleagues-arent-feeling-bern-n427596

 

[Wildcat98]

The biggest thing he has to overcome is Hillary.

 

[Scout 4u]

The biggest thing he has to overcome is Hillary.

Why not run the two together on the same ticket?

Bernie can stop Corporate Greed by taxing the rich.

Hillary can redistribute that greed by giving it all back to her corporate friends.

 

[Neutron Monster]

The biggest thing he has to overcome is Hillary.

Bernie can't overcome Hillary. He needs Hillary to hand it to him.