California Governor Gavin Newsom and President Donald Trump have been engaged in a verbal dispute over immigration enforcement across the United States.

“I’ve been called out by every body for the ALS ice bucket challenge!” Trump said at the time. “Homer Simpson, Mike Tyson, Vince McMahon, like, everybody’s going crazy over this thing! I guess they want to see whether or not it’s my real hair.”

Deep-cut case law and 19th century constitutional interpretation underpin the Trump administration argument for deploying troops to Los Angeles.

Trump orders ICE to prioritize deportations in Democratic-led cities amid protests and concerns from business leaders. Follow Newsweek's live blog.

Sen. Tom Cotton (R-Ark.) on Sunday said he doesn’t believe Immigration and Customs Enforcement (ICE) should “pull back on any kind of enforcement” after the Trump administration