This is OBozo playing the political game against those who believe in the law, as its written, and not as the left chooses to interpret it.
It has been. This is the murderer's appeal to SCOTUS, and the administration asked to file an amicus brief on his side. Strange, normally the government files such briefs on the side of "the people" in cases, not on the side of the convicted murderer. What we have here is literally the people of Texas vs. the US federal government.
Here's the docket. Note it went to Scalia, who usually doesn't take kindly to international interference in local US cases.