IN THE past eight years, Karl Bushby has crossed the Andes and the Nevada desert, negotiated Colombian jungles and Arctic ice floes, and talked his way out of a Panamanian jail. But yesterday, the former paratrooper’s attempt to walk around the world appeared to have been thwarted by an even more formidable obstacle: Russian bureaucracy. A Russian court ruled that Mr Bushby and his fellow adventurer, Dmitry Kieffer, should be deported for walking across the frozen Bering Strait from Alaska without the correct paperwork. They would be fined 2,000 roubles (£40), flown back to Alaska, and not allowed to return...