Answer:
The first man is uncle same the second man is an immagrant This represents an immagrant not being allowed to enter the states. The setting is outside of the white house. The symbols i see is how it says welcome and walk in next to them but uncle sam is looking at the man in a rejecting way. The meaning is how many immagrants cant get a Green Card due to other government officals such as immagration control not allowing immagrants to stay.
Hope this helps =D