Host Eric Burns opened the segment (titled, "Who's within a Bubble?") with: "'Bush's World,' says the duvet of the week's Newsweek: 'The isolated president.' But he wasn't Specially isolated this week. He gave main interviews to Fox News Channel's Brit Hume, NBC's Brian Williams, and PBS's Jim Lehrer and he gave two speeches about US system in Iraq which potential customers me, Jim [Jim Pinkerton, one of several panelists], to this problem: The media charging the president with staying…