US President Barack Obama has promised to limit the use of controversial drone strikes.<br /><br />He faces criticism for the policy which poses legal and ethical problems with unintended civilian casualties.<br /><br />In a speech at the National Defence University, he outlined the rationale behind the use of lethal unmanned drone aircraft as part of a 'just war' against militants. <br /><br />...<br />http://www.euronews.net/
