And we wonder why we haven t found Osama bin Laden. Though we re pouring billions into intelligence in Afghanistan, we can t even tell the difference between a no-name faker and a senior member of the Taliban. The tragedy of Afghanistan has descended into farce. In the sort of scene that would have entertained millions if Billy Wilder had made a movie of Kipling s Kim, it turns out that Afghan and NATO leaders have been negotiating for months with an imposter pretending to be a top Taliban commander - even as Gen. David Petraeus was assuring reporters that there were promising overtures to President Hamid Karzai from the Taliban about ending the war.