Perhaps the highest honor the United States can confer on a foreign dignitary is to invite him or her to address both houses of Congress. Invitees join an exclusive club that has included such esteemed figures as Winston Churchill, Charles de Gaulle, Yitzhak Rabin, Nelson Mandela, Lech Walesa, and Corazon Aquino. Now the currency is being debased. In a move that is hard to credit, House Speaker Jo