I would let him know of my convictions. I would let him know that I am neutral in politics. That I await God's kingdom, in the meantime I have been instructed in God's word to be in subjection to the superior authorities, and always be respectful. (Romans 13:1-7)
It would depend upon whether or not he insisted that I have the meatloaf....If he so insisted, I would simply leave; and there would be no conversation.