George W Bush has seen off Al Gore, John Kerry and Saddam Hussein. But with the varnish fast disappearing from his administration, the president may finally be about to meet the man who could prove his undoing. Preet Bharara is a 38-year-old Indian-American lawyer, who made his name prosecuting the bosses of the Gambino and Colombo crime families in New York. Now the former district attorney has President Bush in his sights, as well as the man they call "Bush's Brain": Karl Rove, the president's chief political adviser. Mr Bharara is spearheading the Democrat campaign to uncover corruption, mismanagement, incompetence...