This has gotta be the slowest moving emergency ever.
Here's the best picture of the evolution of the emegency
2015-2016: Trump campaigns on urgent need for wall at the southern border. Trump wins. Republicans control the house and senate
January 2017: Wall not an emergency
February 2017: Wall not an emergency
March 2017: Wall not an emergency
April 2017: Wall not an emergency
May 2017: Wall not an emergency
June 2017: Wall not an emergency
July 2017: Wall not an emergency
August 2017: Wall not an emergency
September 2017: Wall not an emergency
November 2017: Wall not an emergency
December 2017: Wall not an emergency
January 2017: Wall not an emergency
February 2018: Wall not an emergency. MASSIVE TAX CUTS FOR THE TOP 1% AND CORPORATIONS IS A TOTAL EMERGENCY
March 2018: Wall not an emergency
April 2018: Wall not an emergency
May 2018: Wall not an emergency
June 2018: Wall not an emergency
July 2018: Wall not an emergency
August 2018: Wall not an emergency
September 2018: Wall not an emergency
October 2018: Wall not an emergency
November 2018: Wall not an emergency. DEMOCRATS WIN CONTROL OF THE HOUSE
December 2018: Wall so important, government must be shut down to get it
January 2019: WALL IS A NATIONAL EMERGENCY
Either Trump is negligent for ignoring a national emergency when he had the best chance to do something about it or someone gave him the harebrained idea that fighting with democrats over the wall would increase his popularity.