We know so much more about what really motivates John McCain, don't we? And it isn't "country first". (Update: the full interview, which I have now listened to, makes clear that the phrase "cold, political calculation" was prompted by Wallace. McCain said it, but was reacting to Wallace's formulation.)
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2008/10/mccain-palin-was-a-cold-political-calculation/209991/
