The quiet death of "Bernie hasn’t been vetted"

Bernie Sanders continues to dominate Donald Trump in head-to-head polling: he has now defeated Trump in 20 consecutive polls tracked by RealClearPolitics. And in fact, except for a single outlier – a Rasmussen poll the firm describes as “a virtual tie” – Sanders has defeated Trump in every head-to-head tracked by the aggregator this cycle.

This isn’t a n…