Pour Out a Forty for the Childe Harold The pilgrimage is at its end. After 40 years nestled on 20th street NW in Dupont Circle, the Childe Harold has closed its doors for good. A victim of increasing rents and lessors unwilling to negotiate, the Harold is one more example of how the face of Dupont Circle is ever-changing. The venerable institution held a lot of history, partly because of its ties to the music…