This company is challenging the leaders in its space.Coffee giant Starbucks (SBUX 0.86%) has been around for a long time, and its stock has created incredible shareholder value for longtime owners. It's been struggling for the past few years, but with new CEO Brian Niccol, the company is demonstrating improvement, and it pays an enticing dividend.However, if you're a growth investor, there's a new coffee chain that might whet your investing appetite instead. Consider Dutch Bros (BROS -5.91%), which has been ...