>>This is a bad misstep here. Without specific evidence you have to honor existing green cards and visas. He just declared we are a nation whose word will not be honored. If he wants to give more scrutiny to future applicants great, if he wants to put people who bounce back and forth on the FBI watch list awesome, but you can’t have the country going back on its word.<<
If you applied for a green Card under false premises then the US revoking the card is not a case of failing to honor our word.
But they aren’t saying they’re under false pretenses or revoking them. They’re just detaining these people for hours for no good reason. They’ve got no evidence, they’re just harassing people that have already been approved.