Coca-Cola (KO 0.68%) initially looked like a great candidate for the real-money Inflation-Protected Income Growth portfolio. In this brief video, portfolio manager Chuck Saletta explains the one reason Coca-Cola didn't make the cut -- and why that could change in the future.

What makes a stock worth owning for the long term?
Coca-Cola is a longtime holding of one of the world's greatest investors, Warren Buffett. As every savvy investor knows, Buffett didn't make billions by betting on half-baked stocks. He isolated his best few ideas, bet big, and rode them to riches, hardly ever selling. You deserve the same. That's why our CEO, legendary investor Tom Gardner, has allowed us to reveal "The Motley Fool's 3 Stocks to Own Forever." These picks are free today! Just click here now to uncover the three companies we love. 

To follow the iPIG portfolio as buy and sell decisions are made, watch Chuck's article feed by clicking here. To join The Motley Fool's free discussion board dedicated to the iPIG portfolio, simply click here. For the discussion that took place on that board in early January of why Coca-Cola didn't make the cut, click here.