With BlackBerry World only weeks away and RIM's earnings report merely hours away, it looks as if newly-appointed CEO Thorsten Heins will be leading it with quite the bang. While Heins has done a truly exceptional job of laying low (really low) during his first few months in the corner office, he's evidently been hard at work rearranging chairs mentally, at least. According to The Globe and Mail's Iain Marlow, a trusted source has informed him that the BlackBerry maker's head honcho has begun "clearing house," with s