Donald is walking out of the Whitehouse and heading towards his limo , when a possible assassin steps forward and aims a gun

A secret service agent , new on the job shouts - 'Mickey Mouse'

This startles the would- be assassin and he is captured .

Later the secret service agent's supervisor takes him aside and asks - ' what the hell made you shout Mickey Mouse ?'

Blushing ,the agent replies - ' I got nervous , I meant to shout - 'Donald , Duck '