Possible Clues:

• New Edition "Cool ___"
• Clash "Do ___"
• "Cool ___" (New Edition song)
• 'Cool ___' (New Edition song)
• 'I can just see --'
• 'Do ___!' ('Stop procrastinating!')
• See 21-Across
• Murrow's ''See ___''
• Edward R. Murrow's 'See ___'
• Edward R. Murrow series 'See ___'