@PhotographerMom , much trickier in kindergarten - random violence and use of force, while not permitted, may be employed from time to time.
Sibling consensus usually ends with the older sibling winning… until the parents get involved 
With @ChoatieMom coaching K2 from afar, those little monsters better buckle up. There is a new Sheriff in town. And he is prepared to drop the hammer on Santa Claus, if necessary, so watch out, kids.
Much better advice than I gave him. I told him to drop his major and run. ~O)