Jerry McDougal, the second-in-command of retail at Apple, has left the company. The move leaves Apple without either a formal leader or lieutenant in the retail segment of the business, following the ouster of the controversial John Browett in late October. McDougal said he left the company to spend more time with his family — a familiar story, but one that actually rings true for many employees at Apple. Apple has said that Jim Bean, a VP in Apple’s finance department, will move over to the retail division to help keep things running….