Declaring foreign film production a national security threat, the president said he had asked his top trade official to start the process of imposing a tax on Hollywood.

He attributed this to filmmaking incentives provided by other countries and described it as “a concerted effort by other Nations and, therefore, a National Security threat.” Hollywood immediately panned the idea and portrayed it as an existential threat to the U.

President Donald Trump's announcement of a tariff on a foreign-produced movies caused shock and confusion in Hollywood. Here's what you need to know.