I recommend the following C-SPAN nerdage.
Senate Rules & Administration Committee Hearing on the Regional Primaries Bill
This has some really interesting discussion on presidential primaries as an institution and other fundamental issues relating to American elections.
Health Care Forums 2008: John Edwards
Sorry, this isn't really a link. Just copy the stuff below into your URL bar thing.
This is the first in a series of one hour forums featuring one Presidential candidate at a time. I learned a shit ton about health care.