representative kathryn clark, a democrat from massachusetts, introduced a bill this week that would requireresidents, including mr. trump, take similar measures. now in a statement, the trump organization said, quote, this is a top priority for the organization and that structure that will also be selected will comply with all applicable rules and regulations. of course, the problem here is that there are no rules and regulations restricting the president of the united states from owning and operating a company while in the white house. for "nightly business report," i'm robert frank. >>> the world is approaching a tech-driven employment crisis. a fourth industrial revolution that, according to the world economic forum, could destroy an estimated 5 million jobs by 2020. jp eggers is professor of management at nyu's stern school of business and joins us to explore this troubling prospect. professor eggers, good to have you with us. welcome back. do you buy the idea that 5 million jobs could be kind of outplaced by automation, artificial intelligence over the next decade or so? >> so the numb