It's only a temporary measure. For the war you know.
Of course the government whines like a colicky baby when you try to get them to repeal one of their "temporary taxes". We just got rid of the Spanish-American War Telephone tax. That war has been over for quite some time.
Now if we could just get rid of Puerto Rico....
Now if we could just get rid of Congress -- or give them, say, just one day a year to convene to conduct essential business...