For a while, they were keeping green card holders from re-entering the country, and entirely barred people with legal visas from entry. It's clearly not about legality. It's a capricious approach to policy, which seems the message that after spending years navigating the legal system, and uprooting ones entire life to move to the US, one can be turned away for no particular reason.

This has a huge impact on legal immigration, which will have an impact on business in this country, both as we look abroad for strong workers and innovators.