who is the messenger?

This is the beginning of a new category of posts. Ones in which you, my fine readers, participate. {Actually, participation is always welcome. Here, it is kindly requested.} These will be categorized “poll,” which, in this instance, may be defined as follows: “I wanna hear your ideas.” I’m a bit puzzled by Malachi 3:1. “Behold, I … More who is the messenger?