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Megan McArdle

Immigration, Obamacare, Unintended Consequences

The program would falter without low-skilled legal immigrants. That's just the beginning.
Domino effect.
Photographer: Larry Washburn/Getty Images

So far President Donald Trump has taken the first steps to build his famous border wall, and to make it easier for agents to find immigrants who are in the U.S. illegally, and to deport people. The Obama administration was more aggressive on deportations than others have been, but if motivated the government could deport even more people.

So these are big changes in and of themselves. And future executive orders could have an even more sweeping impact, including changing the rules under which lower-skilled workers are admitted to the U.S.