One of the hardest challenges facing leaders is making decisions in the face of uncertainties. To deal with the discomfort of uncertainty, some leaders turn their assumptions and beliefs into “facts” in their mind. That’s unfortunate. Stick blindly to ill-informed thinking, as some prominent leaders have done, and you’ve doomed your company to decline. Let’s look at some examples. Ironically, it was a Kodak engineer (Steve Sasson) who invented one of the first digital cameras in 1975. Three decades later, Kodak’s leaders made decisions seemingly based on a belief that digital photography would have a slow uptake, even though by that time digital cameras dominated the marketplace. Why? Digital technology made saving and sharing photos effortless. Blockbuster believed stores offered the most convenient video rental and purchasing experience. Its CEO turned down an opportunity to purchase Netflix in 2000. “Netflix doesn’t do anything…