I think you are both on to something. Sealing the borders to catch bad actors would be necessary.
POTUS press conference regarding tax cuts. Live link below
https://www.youtube.com/ watch?v=xJtBwgk4w-8
Guilty. :)
Excellent catch anon
Boeing also investing more due to tax cuts
https://www.marketwatch.com/ story/boeing-applauds-tax-bill-with-300-million-workforce-related-and-charitable-investment-plan-2017-12-20