Absolutely right. He may declare a national emergency but the courts will stop anything from happening - and Trump knows this.
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The courts have no jurisdiction over this. Just like declaring war, their authrority here is EXTREMELY limited.
Limited jurisdiction hasn’t stopped the courts yet...
The Courts have intruded in issues they shouldn’t for decades. That’s why the progressives fight for their agenda in the Courts. They have spent time and money to ensure the Courts rule their way.