now south korea just announced today it will conduct naval fire drills near the attack site. this announcement is in addition to previously announced military exercises announced by the government. in march dozens of sailors were killed in the sinks of a south korean warship. in 2007 richardson spend four days in the region to bring back the remains of six u.s. troops missing since the korean war. you can see wolf blitzer s entire interview tonight on the situation room. our big eye today is all about recycling, and new technology that could change what we are able to reuse. this is interesting. but first, how many trees bort of paper are thrown out in the united states every year? 100 million? 250 million? 600 million? or 1 billion? how many treats worth of paper? the answer is on the other side of the break. how a medicare pland out