Possible Clues:

• '-- Ike'
• Start of a 1950s campaign slogan
• 'Looks great to me!'
• 'Looks good to me'
• "This pleases me!"
• "Very nice!"
• '___ Ike'
• With 57-Down, 1950s campaign slogan
• With 84 Down, a 5 Down from the 1950s
• With 20-Across, '50s slogan