That's why we cannot withdraw from big global fights: to expand democracy and human rights and women's rights and LGBT rights. No matter how imperfect our efforts, no matter how expedient ignoring such values may seem, that's part of defending America. For the fight against extremism and intolerance and sectarianism and chauvinism are of a piece with the fight against authoritarianism and nationalist aggression. If the scope of freedom and respect for the rule of law shrinks around the world, the likelihood of war within and between nations increases, and our own freedoms will eventually be threatened.