Apple's 'geniuses' are straining under the iPhone's success, but revamped stores could ease the pres

Apple stores have become overcrowded in recent years as the company has become more popular and successful. Technicians called "Geniuses" say they're feeling strained from the additional volume and demand from customers. A new redesign may help alleviate the overcrowding problem.  A week before Apple released the iPhone X, its most important new product launch in years, CEO Tim Cook flew hundred of miles away to the middle of the country.  He made the trip to attend the opening of a...