Reality check for those calling IA a “Biden implosion:” this caucus is totally unrepresentative of larger Dem primary electorate. Why?

1. It’s a caucus (unlike 90% of contests), rewarding passion on left
2. 90%+ white
3. Really young (21% under 35)

All of Biden’s worst things.

— Dave Wasserman (@Redistrict) February 4, 2020