Another LOTR Read-Along: Mount Doom (ROTK 6, 3)

Oddly enough, I'd kind of forgotten that Frodo and Sam don't know Gandalf has returned. Sam says, "I can't think somehow that Gandalf would have sent Mr. Frodo on this errand, if there hadn't a' been any hope of his ever coming back at all. Things all went wrong when he went down in Moria. I wish he hadn't. He would have done something" (p. 913). Of course, we readers know that Gandalf is back and in fine fettle, and even now working for the good of all Middle-earth, even Sam and Frodo. But p...