Related Clues:

• Well briefed about
• Straddling, perhaps
• Not in the dark about
• Savvy about
• From whence you can look down on people
• Over and above
• Perched on
• ''Once --- a Mattress''
• "--- futher review..."
• Looking down from
• At the peak of
• Second word in a fairy tale
• At the peak
• Upon
• At the acme