PA Perspective
Pollster.com's Mark Blumenthal offers a bit of perspective on those 234K new PA Dem registrants:
Total turnout in the 2004 PA primary was 790K. It was 1.26 million in 1992. All time high was 1.6 million in 1984. (Last two numbers from Rhodes Cook's book).
Bottom line -- The latest numbers are even more impressive when compared with historical turnout.
How so, exactly?