Nothing will get done either way. There is absolutely no reason to think that republicans will stop blocking nearly everything once hills takes the wh
They won't but Clinton also carries with her the off chance that due to the extreme unfavorable ratings of the two front runners on the Republican side, with the Democratic Party machine and base behind her she might just be able to flip the House.
Oh, and SCOTUS. Nothing getting done will be worth that and along with no chance from the Repubs of a repeal of the accomplishments Obama has made over the past 8 years.
See, Bernie's appeal is that he is the best man to get things done. Take that away and now he has no platform to stand on. His followers, who see him as the all powerful man that can force Washington to its knees at the mere sight of Bernie's righteous fury, will all abandon him once it becomes transparent that he cannot get any of his promises passed. That the SCOTUS or ACA will fall doesn't matter to the most extremist of them, because they were all corrupt establishments before, and they weren't really affected by them anyway.
The only problem is that the disenchantment becomes ever more bitter, the insulation from the world ever greater. That's where the danger is.