White House officials say that Trump has a mandate to carry out his hard-line immigration agenda and that politically, battling it out with a blue state is a winning issue for them.

President Donald Trump has built his presidency around stretching the bounds of presidential authority, and his response to protests over an immigration crackdown in Los Angeles is no exception.

The Trump administration is preparing to cancel a large swath of federal funding to California, an effort which could begin as soon as Friday, according to multiple sources.