Here's where we stand right now:
There are 1082 pledged delegates up for grabs in upcoming elections, plus 130 pledged delegates yet to be assigned from elections that have already been held (some of those Obama won big- 7 unassigned from VA, 28 from Washington state, 4 from DC, 54 from Maryland).

We need 810 delegates left to get (either 67% of pledged delegates left, or 50% of total delegates left).

Is it sad that I find using Excel far more entertaining than any of my classes?