Hu's on the phone!

China's president Hu Jintao (left!) and US President Barack H. Obama (right!) shake hands after agreeing to call each other by their last and first names, respectively, to avoid the same confusion that happened to Ronald Reagan (at 3:14 and following in this video from the President's Book of Secrets):




Oh, what the hey - the original version by Abbott & Costello is almost impossible to improve on: