"The latest draft of the Democratic Party platform, which is set to be released as early as this afternoon, will show that Bernie Sanders won far more victories on his signature issues than has been previously thought, according to details provided by a senior Sanders adviser... Sanders did far better out of this process thus far than has been previously thought.... To be sure, Sanders will continue to fight for more in coming weeks... And we can’t be certain whether Sanders will endorse Clinton before the convention or if he is unsatisfied with the final platform product. But it looks as if this process is going better for progressives and Bernie supporters than previously suggested. And this perhaps makes it more likely that, in the end, Sanders could end up backing the nominee and helping to unify the party with less discord than expected."
That's from Greg Sargent in WaPo.
So Sanders lost his quest for the nomination, but he sort of winning because he's had "far more victories on his signature issues than has been previously thought," he's done "better out of this process thus far than has been previously thought," and it's going "better than previously suggested... with less discord than expected."
Posit a baseline — some claim of what some unspecified crowd must have been thinking — and you can always claim to actually be doing rather well compared to that.