All nations shall stream toward it.  Nearly eight hundred years before Christ, the prophet Isaiah promised that whole nations would come to Israel to learn about the Lord. “From Zion,”  he promised,  “shall go forth instruction,” and that instruction would draw people back to God (Isaiah 2:3).   Now here we are, two-and-a-half millennia later, and Isaiah’s prophecy continues to come true, but in a new way—one that shows how the Old Testament is...