The one trait that Elon Musk and Mark Zuckerberg have in common

9:32 AM ET Fri, 25 May 2018
"If there is one quality that goes across all the great entrepreneurs, that is the singular, most important one: Resiliency," says top VC Jason Calacanis, who has made a fortune investing in Silicon Valley start-ups such as Uber and Tumblr.