3Qs: For real, or for ratings?

As real estate tycoon and TV per­son­ality Donald Trump mulls a run for the U.S. pres­i­dency, Alan Schroeder, asso­ciate pro­fessor of jour­nalism at North­eastern Uni­ver­sity and author of the book “Celebrity-​​in-​​Chief: How Show Busi­ness Took Over the White House,” dis­cusses the rela­tion­ship between celebrity and polit­ical power.