It's commencement time.

Spheres of influence developed, the extent of each determined by the relative commencement time of broadcast the level of knowledge provided, the endurance of the originating culture and the compatibility of neighboring cultures.

In recent years politicians have been given a run for their money at commencement time by anchorpersons and Hollywood celebrities, but loftily placed public officials, especially those who can be credibly deemed statesmen, are still the most sought-after speakers-and the biggest "get" of all, of course, is the President of the United States.