... As President Donald Trump’s immigration crackdown grips the Chicago area in fear, a burgeoning resistance movement has also emerged here to challenge — as well as evade — immigration enforcement. From statements of defiance by local leaders to an unofficial network of tips and alerts on various social media sites, Chicagoland has become an epicenter of opposition to the president’s immigration agenda. Nonprofits have ramped up education campaigns to inform undocumented residents of their rights. A Chicago organization has launched a multilingual mobile “Know Your Rights” app, which includes an audio recitation of rights; the app was designed by...