► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Shares in defence contractors such as the UK's BAE Systems rose in the wake of the Paris terror attacks. But selling military kit is a long term and unpredictable business. Lex's Jonathan Eley and Giles Wikes discuss how BAE compares with its US peers.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
