I didnt say 'it'll never work!!', I said NYC <> the US. You can't compare the two and say "See, it works" when he isn't even elected yet, and its in a city that is absolutely further left than democrats on the national scale.
I would love to see it work. One mayoral hopeful in a friendly city is not a reasonable comparison though.
Edit: feel free to show me a single example somewhere red. I'd love it.
When that happens, yeah, that'd be a good example.
And specifically NYC, not even the state.