Related Clues:

• See 56-Down
• '___ what?'
• A
• In the lead
• Primary
• End of the response
• Immediately
• 'This instant!'
• Rights org. since 1966
• Where the U.N. is in Manhattan, with 27-Across
• Right away
• Sooner than soon
• Who's there
• Guinness adjective
• Up-to-the-minute