Brendan Byrnes interviews Roger Martin, a consultant who helped turn around Procter & Gamble and author of "Playing to Win."  The key change Roger helped to install was for every division in Procter & Gamble to have a clear idea of what they wanted to achieve, where they were going to play, and how they were going to win. As a result, Procter & Gamble is now a much more strategically careful company.

To watch the full interview with Roger Martin, click here.