Trump -v- Obama, page-65

Bernie may well have.
If the Democrat voters learn one lesson they need to ensure that the party never again rigs a primary race. Super delegates should be scrapped and those in the DNC who were exposed as corrupting the system should be sacked. The Republican side proved that the party is not bigger than the people, if the Dems are to have any hope in 2020 they need to reset their system and do likewise.