WHEN JOHAN VANDE LANOTTE, Belgium's Vice Prime Minister, goes to the toilets today, he finds the urinals in the offices of his ministry decorated with stickers. They show an American flag and the head of George W. Bush. "Go ahead. Piss on me," the caption says. Vande Lanotte is one of Bush's hosts in Brussels. Is peeing on your guest's head appropriate? In Belgium it is. After all, Brussels' best known statue is that of "Manneken Pis," a peeing boy. The piss stickers, specially made to be used in urinals, can be seen these days in the public toilets of...