RALEIGH, N.C. — Men wearing vests and green uniforms were seen detaining people around the Raleigh-Durham area Tuesday, but an escalated operation like the one in Charlotte for the past three days did not materialize. Raleigh Mayor Janet Cowell had said late Monday that officials from Immigration and Customs Enforcement and Customs and Border Protection were already in Raleigh. But Tuesday, a senior administration official told NBC News that Customs and Border Protection did not have plans for