The richest rapper and the richest man in the world grace the cover of Forbes magazine together, along with their cover, Jay-Z and Warren Buffett took part in the very first “Forbes 400 summit,” which consisted of an hour-long videotaped interview with Steve Forbes at Buffett’s office building in Omaha, Neb. Check out the full video of their sit-down after the jump, or simply visit Forbes.com to watch 5 highlight clips from the interview.