I just heard on Fox that Louis Farakahn said that in a war on Iraq, American Muslims would desire an Iraqi victory.
Treason?
Sedition? No, that doesn't work either. All because the demonflops blocked any consideration of a declaration of war.
Even with a declaration, it wouldn't be treason. It would fall into sedition, however, and that is still very serious.
Now if actual combat operations were going on, and his remarks led to violence in this country, treason could be arguable.