quote [ Do you want to stop Donald Trump from rounding up Mexicans into camps? Try this: Encourage your idealistic, third-party-voting progressive and libertarian friends to drop their fantasies of an ideal, radically revised political and economic order and fight instead to protect what weâ??ve got. Itâ??s the prudent thing to do, and itâ??s the principled move.

In a profound and persuasive new book, The Tyranny of the Ideal: Justice in a Diverse Society, the political philosopher Gerald Gaus shows that visions of political perfection are bound to lead us astray. ]