Examining the effectiveness of sanctions on Russia

Canada is among some Western countries that have sanctioned Russia for moving its troops into parts of eastern Ukraine. But will these financial penalties actually work? Matt Galloway discusses that question with Tanya Kozyreva, an investigative journalist whose reporting on sanctions and illicit financial activity earned her a Pulitzer Prize nomination; and Tony Brenton, the former British Ambassador to Russia and former director of the Russo-British Chamber of Commerce.