Ever since Donald Trump became President, mayors and city council members in “sanctuary cities”—places where local law-enforcement officials limit their coöperation with immigration agents—have promised to resist the federal government’s crackdown on immigrants. The new Administration has responded with threats (to cut sanctuary cities’ funding), reprisals (like launching more raids in specific jurisdictions), and accusations (that these cities are making the country less safe). City leaders have, in turn, criticized immigration raids, and raised money to pay for the legal bills of residents who’ve been arrested. But Immigration and Customs Enforcement (ICE) answers to the federal government, not to local officeholders, and as it continues to expand the scope and reach of its activity, the limits of city power are becoming increasingly clear. 查看全文>>