Ballot initiatives are one way it happens in some states. A means for the population to ask their legislators to enact a law or statute absent the legislature making such a proposal on their own.
It seems pretty obvious, in this context, that he's referring to this specific instance, and not a completely different scenario where there's popular support enough to get through a ballot question.
Sorry. That's different kind of amendment. I don't think you've read what people have written to you. You are misunderstanding the subject of "amendment to a bill".
PS Intimating is the wrong word. I think you meant infer instead of imply.
