Related Clues:

• Gossip about old medium? It's not important
• Like a dangerous neighborhood
• Scrapped, as a launch
• NASA launch cancellation
• Something scratched
• Despicable people occupying cave after revolution? It doesn't matter
• It's unimportant gossip about old medium
• Don't worry about men driven mad!
• Hopeless (informal)
• Forget it? Number always on memory
• Don't trouble yourself with disease spreaders in cave on the rise
• Canceled, like some missions
• Cancelled, as a NASA launch
• It can't be done
• Like an area that's off-limits