Starbucks has been struggling with growth in recent quarters, and hopes are high that a new CEO could change that predicament.A change in leadership can have a drastic impact on a company's strategy, its vision, and ultimately, its financial performance. This month, coffee-chain giant Starbucks (SBUX 1.72%) made a big move by removing its CEO and bringing in an established leader from Chipotle Mexcian Grill, Brian Niccol.Investors reacted positively, with shares of Starbucks spiking on the development. Can ...