Stem cell breakthroughs apace in Asia

Anyone around in the 1980s might recall the hand wringing over test tube" babies, conceived in IVF labs. That now seems quaint - today, more than 1 in 50 US babies are conceived by IVF - but on the horizon are mind-blowing experiments in reproductive science that may cause much more controversy. Breakthroughs are happening in East Asia, where birthrates are in free fall and officials are clamoring for solutions. The World's Patrick Winn reports.