WHY YOU CAN'T BE PRESIDENT: For a lot of people, this year's election is proof that in America, anyone can be president. But for Harper's Magazine publisher Rick MacArthur, the presidential contest suggests the opposite. He joins Kojo to discuss his passion for politics and his family's legacy on American society. (25 min.) CULTURAL CAPITAL : The Washington region has a thriving nonprofit arts community. Yet with so many options, it can be hard for the average citizen to know 'where should I go' this weekend. We hear about the Cultural Alliance of Greater Washington's latest project -- —e devoted to linking local performers and artists with one another and with their patrons. (28 min.)