Reich also criticises Trump's executive order to end birthright citizenship - where anyone born in the US becomes a citizen - saying it's a violation of the US constitution: "Decent people could lose their citizenship... children could lose their parents...some parents may not have the right papers."

Here's a guide to what birthright citizenship is, what happens if Trump's order ends it, and what comes next after lawsuits were filed.

President Donald Trump is seeking to end birthright citizenship, a move to cut off a longstanding constitutional right that could leave hundreds of thousands of Texas children without legal status. The move has been questioned by legal scholars and it has already drawn lawsuits from the American Civil Liberties Union and a coalition of Democratic-led states.