1970
that was then , this is now , 20 years after meeting saddam hussein in baghdad , defense secretary donald rumsfeld is back in the iraqi capital with victorious u . s . troops .
 ( meet: meeting,  baghdad: place, saddam hussein: entity, donald rumsfeld: entity) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: declare bankruptcy, transfer ownership, transfer money, marry, transport, die, phone write, arrest jail, convict, sentence, sue, end organization, start organization, end position, start position, meet, elect, attack, injure, born, fine, release parole, charge indict, extradite, trial hearing, demonstrate, divorce, nominate, appeal, pardon, execute, acquit, merge organization, Arguments type: beneficiary, prosecutor, plaintiff, seller, victim, buyer, agent, destination, artifact, organization, recipient, person, place, origin, target, giver, adjudicator, attacker, vehicle, defendant, entity, instrument. 
Text: {0} 
Answer:
 ( meet: meeting,  baghdad: place, saddam hussein: entity, donald rumsfeld: entity) 