Coffee giant Starbucks Corporation (NASDAQ:SBUX) is in the middle of pumpkin spice latte season, which has turned into a huge sales and marketing boom for the company and comes with new CEO Brian Niccol taking the helm and outlining plans for growth. What Happened: Starbucks first launched the pumpkin spice latte in August 2003. The beverage is now a staple for the company’s menu each fall and a reason why Starbucks is one of the largest coffee chains in the world. The pumpkin spice latte followed the success of the peppermint mocha – the first seasonal beverage from Starbucks that saw blockbu…