Two senior officials have told CNN the United States sent envoy Matt Bryza to the region to help with mediation . Russia : Obama says he was ` ` firm '' with Putin and that the ` ` situation is unacceptable '' Vice President Dick Cheney said Russian aggression ` ` will not go unanswered '' Conflict has continued to rage between Russia and western ally Georgia .
Russia : Obama says he was ` ` firm '' with Putin and that the ` ` situation is unacceptable '' Vice President Dick Cheney said Russian aggression ` ` will not go unanswered '' Conflict has continued to rage between Russia and western ally Georgia .