Joshua Green recalls a time when John McCain seemed so eager to "reach across the aisle" and work with Democrats that some thought he might become one.
In our effort to understand the change in this man, I wonder if some of us aren't overthinking the matter. Maybe it's as simple as what another Josh — Josh Marshall — tweeted today: "Global Theory That Explains Everything: Losing the 2008 election has made John McCain a very, very, very angry man."