"Take that badge off your chest, put it in the desk drawer because you became a politician, you forgot what it was like to be a cop.”

The White House's border czar once again singled out Boston on its treatment of immigrants, saying he'll be "bringing hell" to the city. Why it matters: The fight between Boston and the feds illustrates the nation's divide over sanctuary city policies.

Tom Homan, the "border czar" for President Donald Trump's administration, is setting his sights on the City of Boston's sanctuary city policies.Speaking at the Conservative Political Action Conference outside Washington,