Denver Mayor Mike Johnston is working with former Biden lawyer Dana Remus as the city prepares to gather — and redact — documents that might expose municipal employees to political attacks for helping migrants.

Boston Mayor Michelle Wu is preparing for a trip to Washington, D.C., this week, where she'll be challenged to defend the city's policy on not cooperating with federal immigration enforcement actions while facing criticism and the threat of funding cuts.

There is no one definition of what a “sanctuary city” for undocumented immigrants is, though Las Vegas has rarely been considered one. Then-Mayor Carolyn Goodman made that clear in