CBS Evening News | CEO defends embryo screening for certain traits

Big leaps in science are presenting parents with choices that were once impossible -- screening the DNA of embryos to help pick a future child with lower risks of disease, and higher odds of being taller or even smarter. But with the new technology comes a renewed ethical debate. Tony Dokoupil spoke to Nucleus Genomics CEO Kian Sadeghi. Air Date: Dec 3, 2025