Trump does not really understand the actual problems.
have 37.5% (from my memory from TV) of foreign-born high-tech workers.
To stop some of them from traveling would weaken our high tech
industries.Check who are emptying your waste bins
in your offices, building, farming, washing dishes... These
jobs are abandoned by our able welfare recipients.
Protecting the border (like most countries) is good but it has to be done in a sensible and gradual way.