In moods of good will before holidays or for special occasions, sometimes folks bring baked goods, like donuts, into schools or offices. If you have ever been inclined to do this, you know you have decide how many donuts to buy, so in your mind you count who should get the donuts and begin to choose the mix of jelly, chocolate or glazed.
The power politics of donuts is the power they have to make those who see them know if they are in or out of the loop. If you get donuts in the fresh, first distribution, you are in. If you get them later, when one or two plain remain, you are out.