The delegate gap is not as wide as the MSM is trying to convey, especially with big Cali still pending. I doubt that he will be elected directly while he is battling the establishment + the MSM, but he is close to getting a contested convention where everything could Happen because... Pledged delegated don't count, they could shift at any moment until July and, even, in the convention itself. They were, afterall, created to go over the popular vote if the frontrunner suddenly became a hindrance to winning November or was involved in something serious (like, say, an indictment). The MSM has been counting them towards Clinton's tally to try and take the fight out of the independents, but that is clearly faililing since her numbers vs. Trump keep dropping.
I see Sanders and Trump as two -radically different, yet more similar than expected- sides of the same coin. Both represent an open challenge to the establishment and both have been able to shrug the criticism of political heavyweights without batting an eye. Even if neither is elected, their revolution already won. The independents have won and they are the living representation of the shift being discussed, at least within politics.