President Trump signed the border wall following a news conference at the southern border on Wednesday.
— Charlie Spiering (@charliespiering) September 18, 2019
At invitation of the construction personnel, Pres Trump pulls out a Sharpie and signs one of the posts of the border wall. Other officials follow suit. pic.twitter.com/fbDWWgXQrj
— Mark Knoller (@markknoller) September 18, 2019