Kim, 29, wasn't peddling the latest rain gutter technology or a state-of-the-art mop to cut cleaning time in half. She's a doctoral candidate at the University of Pennsylvania and had far larger, theoretical fish to fry inside the Institute for the Study of Citizens and Politics' Ford E350 Super Duty truck. Kim was paying customers at the iconic Salem County flea market to watch reality television clips, such shows as America's Got Talent and Shark Tank, and answer questions for her research into America's political culture and how media play a role in shaping and reinforcing it.