HARDtalk - Sister Catherine Cowley

There can't be many people who've worked for an investment bank advising the rich on how to manage their wealth, only to turn their back on all that and become a nun. Sister Catherine Cowley, did just that. Now she's warning that the way the financial crisis is being tackled is storing up problems for the future and that it needs an ethical shake-up. Zeinab Badawi discusses with her whether morals and finance mix.