Mayor Bloomberg weighs in rather nonchalantly, I'd say. Words have meaning, however, and here's what he said about the NYC primary night vote counts: (link)
"If you want to call it significant undercounting, I guess that's a euphemism for fraud," said the mayor.
This is one of the few times I agree with the liberal Mayor of NYC, though I'm still wondering if this was more widespread. Bloomberg's assessment is almost a plea for further investigation.