> Passing legislation now is not the reason she is proposing this

Now, sure. After the midterms... Maybe a different story (at least in terms of getting it to President's desk), depending on how they turn out.

Sure, not all of it will survive the process, but if the only substantive restriction that accompanied the charter was the political spending rule, Democrats would love to put Trump in the position where he'd have to either sign or veto that.