Ukraine President says pro-Russian rebels should be called terrorists . Richard Barrett : There 's no internationally agreed definition of terrorism . Under '71 agreement , Malaysian jet 's downing would be terrorism -- but only if intentional . Although he backs President Bashar al-Assad 's characterization of all rebel groups in Syria as terrorists , in the Ukrainian case he believes that the rebels are exercising their rights to self-defense and self-determination . Comment: The world is seeing a merging of terrorist groups and quasi-states .
Ukraine President says pro-Russian rebels should be called terrorists . Richard Barrett : There 's no internationally agreed definition of terrorism . Under '71 agreement , Malaysian jet 's downing would be terrorism -- but only if intentional . Comment: The world is seeing a merging of terrorist groups and quasi-states .