Top Obama aide offers legal defense of drone strikes | Reuters

Top Obama aide offers legal defense of drone strikes | Reuters: (Reuters) - "The deadly U.S. campaign of drone strikes against al Qaeda is fully legal under international law, President Barack Obama's counterterrorism chief insisted on Monday in the most extensive justification of a controversial tactic that has eliminated some of the most-wanted militants."

Then if it were legal, and although it should be illegal, other countries including Iran have the right to use them.