In a recent Quillette essay, Gadi Taub argues that restricting voters’ power undermines the “ability of citizens to protect their hard-earned liberal rights.” He also says this is “bound to hurt these very rights, since their only real guarantee is the fact that we can dismiss our governments and appoint their replacement.” We may believe voting is an unreliable guarantor of liberal rights because more voters are turning to nationalism or socialism. We may also believe liberal rights and democracy, properly understood, imply wide restrictions on voting. The second reservation gives us a sense what’s wrong with Taub’s central argument. He says the debate over immigration is a “proxy for a far larger struggle over the future of democracy itself.” That’s true, as far as it goes. But this struggle is more complicated than he admits.   Taub claims there are two sides to the debate over immigration: one says the state may restrict immigration, and the other says the state may not. This is a caricature. Pretty much everyone believes states may exclude known …