By Ali Lyon As more western governments look at ways to increase taxes for the ultra-rich, Ali Lyon asks whether it will work Kjell Inge Røkke is no stranger to relocating. The billionaire industrialist, who started his career as a fisherman and has gone on to become one of Norway’s richest men, has already upped sticks three times in his life. He moved to the US as a 21-year-old, where he worked his way up from fishing trawlers in Alaska to owning several multimillion-dollar companies. Twenty years later, he returned to his native Norway a rich man, acquiring a controlling stake in what would…