"NBC Nightly News" anchorman Brian Williams frequently fabricated a dramatic story that he was under enemy attack while reporting from Iraq. NBC is now investigating whether Williams also embellished events in New Orleans during his reporting on Hurricane Katrina. Williams always plays the hero in his yarns, braving natural and hostile human enemies to deliver us the truth on the evening news. Former CBS anchorman Dan Rather tried to pass off fake memos as authentic evidence about former President George W. Bush's supposedly checkered National Guard record. CNN news host Fareed Zakaria, who recently interviewed President Obama, was caught using...