From Las Vegas Review-Journal – As an associate with global management consulting firm Bain & Co., Geoffrey Stewart grew accustomed to offering advice to high-level executives of Fortune 500 corporations. Now, as he prepares to lead Caesars Entertainment Corp.’s launch into regulated online gambling for money, Stewart is adjusting to being on the receiving end. “I’m in a role where I have to act on my own advice,” Stewart, 34, said during a break in play in the World Series of Poker at the Rio. “The great thing about this role is that I’m surrounded by guys with a deep…