VROOOOOOM!
"I say we head through Moria, my lord," Grima replied.
"WHAT?!" Saruman practically exploded. "You want to get us tossed into Khazad-Dum by that Balrog? You must be crazy!"
"Let me explain," said Grima. "If I install some of these rocket-hovercraft things on the tower, we can float over the depths and not have to worry about anything happening. As for that Balrog, if he tries to fly after us, you can easily trick him into thinking he doesn't actually have wings so he crashes."
Saruman just stared at his underling.
"Ummm, but the final decision's yours," Wormtongue hastily added, then dashed off to one of the other levels of the wheeled tower.