INTERVIEW: The truth about working from home - and should we work on Friday afternoons?

The controversy over working from home continues to swirl around the nation's workplaces. Employers want their workers back in the office; workers ask why as they get more work done at home. So what do the facts tell us about working from home? Dr. Mark Benden is the chair for the Department of Environmental and Occupational Health at Texas A&M University in the US, and he's been carrying out exhaustive research in to the way people work. In this edition of Weekend One on One, he talks about working from home - and also which days of the week are least productive.