It's really not as simple as "hey, the government can decide." To have a green card revoked, the person must be an active member of a group at war with the US o

It's really not as simple as "hey, the government can decide." To have a green card revoked, the person must be an active member of a group at war with the US or have committed some kind of fraud. DHS must initiate it (not the State Department, despite Rubio's statements), and it must be approved by an immigration judge. So far all we've heard about this process and the justification is "Contact the White House."