It's hard. Refusing it is the right thing to do (since it directly contradicts one of his prime responsiblities), but also sends the message that one doesn't va

It's hard. Refusing it is the right thing to do (since it directly contradicts one of his prime responsiblities), but also sends the message that one doesn't value, nor intend to strive for, peace. If it were me, I would advise refusal behind closed doors if they had gotten word ahead of time.