It's not so much politics as it is the fact that no one likes surprises, particularly not your boss or your boss's boss. Almost every major people-problem I've

It's not so much politics as it is the fact that no one likes surprises, particularly not your boss or your boss's boss. Almost every major people-problem I've had to sort out in the past year has been a result of someone not getting buy-in from their team or superiors before proclaiming a major change. Change is good, everyone wants you to make your awesome improvements, but you're not a cowboy. You have to engage the people who will be affected by this change, collect feedback, and address any concerns that are surfaced.