Related Clues:

• One apparently learned of obstacle after time-wasting hitch, perhaps
• One affecting omniscience
• He always has answer
• Granny, maybe, short with a fifties 'expert'
• Wise guy having little prominence outside Washington
• At present everybody is supporting king, wise guy
• Hill outside Washington one's unlikely to pass
• One seems to see everything from hill covering wide area
• Wise guy providing king with zero security
• One's unlikely to pass close to park which Berlin's had for over twenty years
• Hill State's boring for awfully clever chap
• Awfully smart person fine about overcoming new barrier
• Egotist who is acquainted with everybody?
• At the moment everyone follows the king - he has an answer for everything
• Clever dick!