In case you’re tempted to regard these numbers with skepticism, given the source, keep in mind that they could be easily disproved — and Wisconsin Dems caught inflating numbers — if organizers were to end up falling well short of the required signatures. What’s more, as the Milwakee Journal Sentinel reported the other day, the influx of national money and the unique energy on the ground in Wisconsin suggests there’s good reason to think recall drives in the state could prove to have unprecedented success. And Walker’s continued attacks on Dems and labor are only serving to further stoke passions.

Also: As Ben Smith pointed out yesterday, the mechanics of recall drives favor unions, because of their organizing ability, and because many Republicans in Wisconsin occupy swing districts. Fourteen out of 19 GOP state senators preside over districts carried in 2008 by Obama.