All those DACA tweets, he's either desperate to find a solution, or he wants to switch the blame to the Democrats incase a shutdown happens he can say that the Democrats didn't want to make a DACA deal.
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Self filed AOS │Apps Received By USCIS - 3/18/19
│Biometrics Done - 4/11/19
Interview Scheduled - 4/24/19│Interview Date - 5/31/19│AOS Approval - 5/31/19
Permanent Resident Card Received - 6/8/19