john delaurie is an expert on north korean affairs. does the north participating in the olympics really matter? >> in and of itself the olympics is not going to solve anything. but if the olympics is a starting point, then it can really open up the channel between north and south. and that's the goal here is to make the olympics, the steppingstone to something else. >> reporter: the north koreans are showing no willingness to put th

john delaurie is an expert on north korean affairs. does the north participating in the olympics really matter? >> in and of itself the olympics is not going to solve anything. but if the olympics is a starting point, then it can really open up the channel between north and south. and that's the goal here is to make the olympics, the steppingstone to something else. >> reporter: the north koreans are showing no willingness to put th negotiating table. but, at the end of the talks, the north korean representative did say that a >> i'm alex trebek. if you're age 50 to 85, i have an important message about security. write down the number on your screen, so you can call when i finish. the lock i want to talk to you about isn't the one on your door. this is a lock for your life insurance, a rate lock, that guarantees your rate can never go up at any time, for any reason. but be careful. many policies you see do not have one, but you can get a lifetime rate lock through the colonial penn program. call this number to learn more. this plan was

john delaurie is an expert on north korean affairs. does the north participating in the olympics really matter? >> in and of itself the olympics is not going to solve anything. but if the olympics is a starting point, then it can really open up the channel between north and south. and that's the goal here is to make the olympics, the steppingstone to something else. >> reporter: the north koreans >>> there are more questions than answers about the failure of a top secret satellite launched over the weekend. david martin reports. >> ignition. liftoff. >> reporter: the launch was a success. >> the launch was a success. >> we have had successful liftoff of falcon nine carrying zuma. >> the top secret spy satellite it was carrying died. the u.s. official told cbs news the satellite code name zuma failed to achieve its intended orbit and crashed into the indian ocean. a total loss. it was launched sunday night atop a falcon nine rocket made by space x whose founder elon musk said he is out to revolutionize space technology. the rocket's fir