South Korea's rocket launchHare overtakes tortoiseJan 31st 2013, 8:34 by D.T. | SEOUL http://www.economist.com/blogs/banyan/2013/01/south-koreas-rocket-launch OFFICIALS in Seoul watched with baited breath as another rocket blasted off from the Korean peninsula this Wednesday. This time, thankfully, it was one of their own. In reaching space, South Korea now joins its northern neighbour as part o..