Starbucks unveiled new internationally inspired menu items at its stores on Monday, marking the coffee chain's latest attempt to win back customers at its brick-and-mortar locations. The menu  refresh  comes amid CEO Brian Niccol's yearlong "Back to Starbucks" turnaround effort, aimed at reversing  consecutive quarterly declines  in the company's same-store sales. The effort is showing some results: Starbucks reported Jan. 28 that same-store sales rose 4% in the most recent quarter. The