The President has authority to withdraw unilaterally from any treaty. Trump can just withdraw without ever sending it to the Senate. Sending it to the Senate was Obozo’s job. Since it was never ratified, it is even easier for him to withdraw from the agreement.
The President has authority to withdraw unilaterally from any treaty.
The President also has the authority to exclude anyone he wants from entering the country, but since he’s a Republican....
Tada.
I've been waiting for someone here to know this and state it. As you noticed, many don't know or have forgotten.
As an example, FR should have remembered that Bush unilaterally withdrew from the ABM Treaty with Russia that was ratified by the Senate in 1972.