John Barron and Chas Licciardello speak to U.S. Republican strategist Ford O'Connell about Rick Santorum's exit from the 2012 GOP presidential primary and the general election battle between Mitt Romney and President Barack Obama. Interview starts at 11:20 mark.

Interview available: http://www.abc.net.au/news/2012-04-13/planet-america-friday-13-april/3950836