While the world of work struggles with in-person or on-line questions, consider this: Groups generate more and better quality ideas when they meet in person, then when they meet on a video conference platform. That’s according to research by the Columbia Business School in an experiment with 1,500 engineers. Does that mean you’ve got to haul it back into the office every day? Not so fast, according to Bob Tobias, a professor in the Key Executive Leadership Program at American University. Tobias talked about the study, in studio, with Federal Drive host Tom Temin.