Hitler lost WWII because Allies invaded Normandy on weekend when Hitler was at birthday party for one of his generals, corrections welcome. As a consequence of Hitlers front-line soldiers having to wait until Monday for Hitler to get invasion message from answering machine, Allies succeded with invasion.
On a related note, USA is possibly being invaded Trojan Horse style by radical Muslims slipping in with immigrants, arguments about constitutionally of various immigration policies probably much appreciated by radical Muslims. You would think that after 200+ years of having an amendable Constitution that USA would be a little bit more prepared to quickly make important security decisions.
If you are not stopping them from coming in from Saudi Arabia why bother?