You should read a book on nationalism - If you think teaching a national anthem is indoctrinating nationalism, you have a very wrong liberal idea of what it actually is. If you're talking about America, it seems, in many ways, the opposite of nationalism and past nationalist doctrines because of how high it holds the values of liberalism that are directly incompatible with nationalist principles.
Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you
