Apple hasn't released a new iPhone since June 2010, and many Apple watchers have wondered why the company has taken longer than its usual 11 or 12 months to update the device. Is it political turmoil associated with Jobs' departure? Problems getting the right parts ready for an updated model?The iPhone 5 will officially arrive on the watch of new Apple chief executive Tim Cook, usually credited for building Apple's broad and well-coordinated global network of parts suppliers and manufacturers.
