We forget we are in a conversation with public art until something happens. Then we are reminded that, in a sense, we never stop talking. We never stop admiring or flinching or scowling or puzzling over or, more likely, failing to even notice public artwork anymore (itself a response). That’s the burden of public art. It is the wallpaper of our lives, and most of us are unaware we’re in a conversation. Advertisement But then a week ago, a mural of Kanye West on Lake Street in Fulton Market was painted over by artist Jason M. Peterson, who had created...