In a new blow to CBS anchor Dan Rather's credibility, the man who has supposedly exerted pressure to "sugarcoat" President Bush's National Guard record has spoken out — and says the story is dead wrong. "I never pressured anybody about George Bush because I had no reason to," retired Brigadier Gen. Walter Staudt, who headed Bush's unit in the Texas Air National Guard, told ABC News. The dubious documents that Rather used in a "60 Minutes" report last week that accused Bush of shirking his National Guard duty include a supposed Aug. 18, 1973, memo that claims Staudt was "pushing...