SPRING CLEANING[NB: I’ll be doing some international traveling over the next ten days, so the output of PBD will be a bit sporadic, especially in terms of when it gets posted each day. Please bear with me until things get back to normal after June 16th]Uh huhhttp://services.newsweek.com/id/238610[Jonathan Alter] The BP oil spill is the perfect metaphor for Barack Obama's presidency so far. His