 This is a Bloomberg Money Minute. Pepsi's parent company may have a cleanliness problem. The PepsiCo factory that sparked a huge recall for its Quaker Oats brand came after regulators say PepsiCo let salmonella fester there for as long as four years. Quaker Oats shut down the Danville, Illinois plant back in April, but the FDA told the company in a warning letter just last month,