I think he should make a public statement, apologizing for the inconvenience for those who were effected by the 90 day moratorium, while at the same time reinforcing WHY it was done, and why it was done the way it was.... he could also reiterate that they are working as swiftly as possible to get those who are properly vetted back where they should be.
But, at the same time, people need to know that as a 7 or 8 year GUEST of our country on a green card, you are not entitled to the same benefits as our CITIZENS are. You are a GUEST here, at the pleasure of our nation.