GERHARD'S GROVEL By RALPH PETERS -------------------------------------------------------------------------------- June 27, 2005 -- IN the bitter winter of 1077, Kaiser Heinrich IV, a vicious German politico, pursued the pope to a mountain castle to beg him to lift his excommunication. The pope let the emperor wait barefoot in the courtyard for three days before granting an audience. When Chancellor Gerhard Schroeder visits the White House today, our president should at least keep him waiting three hours. Extend that morning meeting with the Deputy Plumber's Guild of Peoria. Presidents have to prioritize. Bush won't be rude, of course. Besides, he's got more on his...