What happens if Trump declares national emergency at the border?

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Published on 11 Jan 2019, 15:09
President Trump says he will likely declare a national emergency at the southern border if Democrats don't agree to provide $5.7 billion for a border wall. It would allow the president to divert funds from the Department of Defense to help pay for construction. CBS News Washington correspondent Paula Reid reports on the latest, and then attorney Jesse Weber explains the process of declaring a national emergency and the legal challenges it could face.