Dana Leigh Marks had the kind of career most immigration judges dream of. At 32, she won a precedent-setting supreme court case that made it easier to claim asylum in the US. In the decades that followed, she led the National Association of Immigration Judges to gain collective bargaining rights, fought to protect immigration courts from political meddling and blazed a trail for a generation of female judges. Now retired at 71, she’s seen her share of political ups and downs over her 10 years as an immigration lawyer and 35 years on the bench. But nothing could have prepared...