Can Starbucks clean up its tarnished coffee crown? You will soon have a better view of the company's turnaround plans.Coffee chain titan Starbucks (SBUX 0.52%) just released a preliminary report for the fourth quarter of 2024. Sales are coming in lower than expected due to fewer (but more profitable) transactions. The newly installed management team under food service turnaround expert Brian Niccol canceled their full-year guidance targets and said there won't be any firm financial targets for the next fisc ...