Nassau County Executive Bruce Blakeman says he is installing surveillance along the Long Island and Queens border after Zohran Mamdani’s election as New York City mayor. Meanwhile in New Jersey, two sisters died in a Thanksgiving Day house fire while helping their father escape. Also, New York City is asking volunteers to help review archival records that document the region’s history of slavery from the seventeen hundreds through eighteen thirty eight. Finally, Columbia University historian Kim Phillips Fein explains the long history of socialist ideas in New York City and how that past shapes the debate around Mayor elect Mamdani’s policy proposals.