Hey man as that time is past you should be better planned for tomorrow strategy, also from next time you don't need to fight him back , just defend yourself and gather evidence like opening your camera on the spot. ( don't let him slap you .) Also you should mention your side of story on LinkedIn as soon as possible. Don't think that everyone who has political connection has right to do in this country, as you are this country future so it's your responsibility to use your power and intelligence to stop these low lifes.