USA who is sitting on top of the biggest nuclear and conventional arsenal in the whole world,is concerned about Iran's tiny,miny,puny nuke bomb.:)):))
They say "charity begins at home".
If uncle sam wants to disarm the world,why not get rid of your own deadly weapons first?You were the one who invented it in the first place.
Instead of blaming the whole world of your failure to make your country safe,it will be a good idea to take the blame and concentrate your energies in fighting guns and drugs,improving your social security system,helping the Katrina victims,and so on.