Calls for divestment from Israel face resistance

The rallying cry of many pro-Palestinian protestors is divest from Israel." University administrators and donors have so far rebuffed that demand. Many investment analysts argue that it's not feasible for universities to alter their portfolios and sell all assets linked to particular countries. Witold Henisz of the Wharton Business School speaks with host Marco Werman about why divestment isn't as easy as it sounds.