Enbridge (ENB 0.74%) is not an exciting company, but that's actually one of the biggest attractions here. That and an ultra-high dividend yield of around 7.4%. But to really appreciate why you'll be glad you bought this stock in a few years, you need to take a deeper dive into its business and how it returns value to investors over time. Enbridge is, basically, a toll taker. And since oil and natural gas are vital to the world functioning smoothly, demand tends to remain strong even when energy prices are w ...