She's on sound legal footing with the latest ruling - it's the USCIS who's been slacking off, trying to skate by with memos rather than formally submitted and commented regulation changes. Much like the half-a**ed decision to say 'we can't continue the DACA policy because it's unconstitutional' rather than 'we are making the policy decision to rescind DACA', which left the door wide open for successful court challenges.
That’s the problem when a judge like her whose past actions lose her all credibility with many Americans