Bin laden, sadam hussane and a camel

bin laden, sadam hussane were sitting in a cave thinking of ways to bomb the U.S.A. and bin laden had his camel with him.
A man walks in lifts up the camels tail then walks out, then another man walks in lifts up the camels tail then walks out.
Sadman is looking a bit puzzled so he gose and asks a gard outside “why are people coming in the cave