Venture capitalists say artificial intelligence will displace 40-percent of the world's jobs. Scott Pelley reports. Lesley Stahl introduces us to a blind architect. Plus -- How does the house oversight committee plan on investigating President Trump? Steve Kroft finds out from the committee's new chairman, Elijah Cummings on tonight's "60 Minutes." Learn more about your ad choices. Visit megaphone.fm/adchoices See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.