Last Friday, Immigration and Customs Enforcement (ICE) agents arrested Newark mayor Ras Baraka outside a detention center. Baraka was trying to visit the facility — which opened recently and is operated by the GEO Group, a private prison company — with members of New Jersey’s congressional delegation. Baraka was not only denied entry but arrested by agents from ICE’s Homeland Security Investigations division, even though he’s a US citizen. He was ultimately charged in federal court…