Loudon Wainwright III

Somehow New York Times columnist Paul Krugman seems a terrible subject for a song.Yet, Loudon Wainwright III, who admits to being a Times fan, performed "The Krugman Blues" in New York's Madison Square Park a few weeks ago:I read the New York Times, that's where I get the news. Paul Krugman's on the Op Ed page, that's where I get the blues.  In Wainwright's view, given the current state of the…