Mr. Arnold W. Donald has been the Chief Executive Officer and President at Carnival Corporation since July 3, 2013. Donald, 59, started the job at the cruise giant after serving on Carnival’s board for 12 years. He was a longtime cruisegoer who took his first vacation at sea to play blackjack and had a professional background that veered closer to science, technology and … [Read more...] about Tuesday Open Thread: Powerful Black CEOs in Corporate America