The states calling it has a difference. They can put restrictions on how their delegates act that the president is unlikely to
Again Trump had much to tackle before he should do tjis
“They can put restrictions on how their delegates act that the president is unlikely to”
Not so. Whether called by POTUS or the ghost of Eugene McCarthy, it’s still a 100% State affair. Rest assured that every state will bind their delegates to things they believe important.
And no matter what comes out of the convention, 3/4th’s of all states legislatures must vote to approve before it becomes an Amendment.