@CarlBeijer @jbouie I’d add that both Sanders & Clinton need to lay out a theory of change. Neither quite has one.

— Jeet Heer (@HeerJeet) October 16, 2015

I’ve seen Jeet make this point twice today but I don’t think it’s actually correct. As I understand it, the Sanders theory is that his agenda will mobilize a constituency of voters so large that it wil…