Sign language is an artistic way of communication that not all of us can interpret, nor master. Isn’t that the same reason that not all of us can read signs—as in, metaphorically? Red flags aren’t always red; green lights aren’t always green; and sore points aren’t even visible.  Science says humans are at the top of the list for most intelligent creatures, but some animals have a better response and reaction time when they sense harm or fear. I get it. Things aren’t always clear. You need a voice to go along with that sign, don’t you? I regret to inform you that you’re on your own. The good news…