"The Constitution unambiguously assigns regulation of immigration to the federal government. Federal law preempts state laws that purport to exercise immigration authority, and there is no serious argument to the contrary.
Texas’ attempts to suggest otherwise are tissue-thin.
Its leading argument appears to be that the influx of migrants from Mexico triggers the Constitution’s invasion clause, which requires the federal government to protect the states against invasion, supposedly entitling the Lone Star State to take military action notwithstanding federal law."
OPINION: Texas Gov. Greg Abbott insists that “Texas has the sovereign authority to...
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"The essential dynamic is clear: Abbott and Texas are determined to continue to defy federal law enforcement regardless of the Constitution and the consequences. Indeed, there is a Trumpian swagger to Abbott’s insistence on supplanting federal law enforcement because it supposedly isn’t getting the job done on his terms.
We have seen this kind of state-federal law enforcement standoff in the South before, most notably by segregationist governors such as Orval Faubus, who used the Arkansas National Guard to block Black students from integrating Little Rock Central High School in 1957. It took a concerted effort from the federal government and the federal courts to beat back that lawlessness."