After President Donald Trump signed the anti-immigrant executive order he said he would, the mayor, flanked by City Council Speaker Melissa Mark-Viverito and NYPD Commissioner Jimmy O’Neill, called for an emergency press conference to spell out the city’s response. Trump had just declared that so-called “sanctuary cities” like New York and other places where municipal governments vow to not prosecute undocumented immigrants for violating immigration laws, would have federal funding cut.