Johnson and Nixon both enjoyed great power, yet still they overrated that power. They believed they could engineer a Great Society or world peace when in reality they were muddling through. They overestimated their authority, and imagining they were able to control their environment, failed to perceive how far their actions were constrained by their current realities. Having translated their high-level objectives into goals and actions, they became fixated on these goals and actions, even when the search for them had come to jeopardise rather than sustain their higher level objectives.