BBC NEWS | Asia-Pacific | South Korea swaps first astronaut

re: "Yi So-yeon, 29, is to replace Ko San, 31, on a Russian flight to the International Space Station in April. /Russia's Federal Space Agency requested the change because Mr Ko broke training centre rules, a senior official said. /South Korean officials played down the breaches, which involved removing reading material from the centre. /On one occasion, Mr Ko sent a training book back to South Korea - something he said was by mistake. /On another, he received a book from a Russian colleague that he was not meant to read, said Lee Sang-mok of South Korea's Ministry of Education, Science and Technology..."...