knew nothing about young mr. kim until the propaganda apparatus started recently to sing his praises. i suspect that a lot of people in the elite didn't know much about him. >> there may be not much time to find out. there's the effects of the stroke two years ago. they waited until after that to pave theway for his son. analysts tell us by waiting, kim jong-il didn't give his son enough time to build his own power base with the most powerful elements in north korea, the communist party, the military, the security services. kim jong-il himself had 20 years to build that power before his own leadership. he's going to help the son build himself up. brian todd, cnn, washington. just how dangerous is