Seriously.
He travels with his own portable toilet AND toilet paper so that doctors in other countries can't analyse his health through his...uh........droppings.

>"In the past, similar operations were conducted against foreign leaders to determine their medical condition. The Israeli Mossad conducted one such operation against Syrian President Hafez Assad when he visited Jordan in 1999 for the funeral of King Hussein. The Mossad installed a special toilet in Assad's hotel room that led not to a pipe but to a specimen canister. Assad suffered from diabetes and cancer and the operation was designed to discover the actual medical condition of the ailing leader. During Soviet President Mikhail Gorbachev's visit to Washington in 1987, the CIA reportedly placed a special trap under a sewage tank to collect the Soviet leader's bodily waste for analysis. More recently, the CIA was reported to have collected waste samples from Ugandan President-dictator Yoweri Museveni's toilet when he visited Washington.

Why am I not surprised?
Dogs have been sniffing each others' butts for state secrets for eons of time.
Article here, third item <down.>