Over 300 cities have pledged to protect undocumented Americans President-elect Donald Trump has pledged to take a tough line against immigration, promising to identify and deport two to three million undocumented residents. But he?ll have to get past most major U.S. cities first, the leaders of which have said they won?t enforce any kind of federal anti-immigration laws.
The phrase ?sanctuary cities? came up often during the election, as Trump said he would cancel federal funding to U.S. cities which offer sanctuary, or blanket amnesty, to residents who have entered the country illegally. Trump?s leadership team is saying that this remains at the top of his to-do list. On CNN yesterday, the White House?s incoming chief of staff, Reince Priebus, threatened cities that dare to defy Trump: ?The idea that a city would decide to ignore federal law and then want the federal government to help them anyway... that?s not the way life works, and I think that the Trump administration is going to explore this issue and I think resolve some of these major problems happening all across the country.?
The ?problems? across the country are a growing list of cities which have pledged to protect immigrants, with mayors in San Francisco, New York City, Los Angeles, Chicago, Seattle, Philadelphia, and Washington, D.C., all coming forward in the past week to reassert their sanctuary status.

Being a sanctuary city is in our DNA. San Francisco will never be anything other than a sanctuary ...