http://www.ctvviet.com/ <br />We're starting the week with a rare look inside North Korea: A CNN reporter has perspective from some science students about their Communist government's claim to have recently tested a nuclear weapon. From there, we're headed to South Korea for a look at how the Republic has found a way to broadcast messages across the border. And we're also visiting Europe, where a highly divisive debate is taking place over whether Adolf Hitler's manifesto should be reprinted and sold in Germany.