ZURICH, Switzerland – It’s the first question Google employees here must resolve when they want to go to the cafeteria or game room: stairs, slide or fire pole? The next dilemma for so-called Zooglers: homemade pastry or exotic fruit juice? It’s all part of three free meals a day, with regular snacks, that Google serves at its new European tech center. Then there’s the phone-call dilemma. Should y