In the end, two questions that reframed the problems ended up producing one of the most successful interplanetary missions of all time: What if we used airbags instead of a three-legged lander? What if we sent two rovers instead of one? These questions may appear obvious, but they were obvious only in hindsight. How do you do what Adler and Goldin did and see the problem from a perspective others miss? One approach is to distinguish between two concepts—strategy and tactics—that are often conflated.
