I believe that POTUS realized that the Deep State operatives still embedded in that theater of operations were still willing to risk our service men and women as pawns during the Deep State's death throes in Syria and the rest of the ME.
I think it means that McConnell has told him that he has 50 votes in favor of the Wall. Some Dems will have to defy Schmuckie and cross over.
It does seem that a temporary shutdown of the Government would facilitate the next phase, the Justice phase under the UCMJ.