Where there is war and fear there's money to be made from protection. In The Bottom Line, Evan Davis talks to ex-army leaders turned businessmen about the world of private defence and security work.Why are governments employing private contractors to do work previously done by the armed forces? How do those businesses maintain their reputations in such a controversial sector?Guests:Major General Graham Binns CBE, DSO, MC, a former British army officer, now CEO of Aegis Defence Services Limited.Major General Andrew Pringle, CB, CBE, President of KBR UK and a former British army officer.Gabriel Carter, Managing Director of LPD Risk Management.Producer: Smita Patel.