Coca-Cola's (KO -0.13%) latest earnings disappointed Wall Street, as volume growth was downright anemic. With the long-term trend of soda consumption in the United States on the decline, Big Red generates the majority of its revenue overseas. Surprisingly, Coca-Cola's executives blamed the poor results on bad weather. Motley Fool analyst Jason Moser takes a look at the results, and shares why he views today's stock drop as a buying opportunity for investors.