Related Clues:

• Influential person
• Seasoned government advisor
• Winston Churchill, e.g.
• Venerable public servant
• Doyen, perhaps
• One possibly giving advice from the US in Oldie piece
• Respected figure
• Wise old politician deals with matters craftily in a short space
• Experienced politician
• Respected politician, say, in presbyter's island
• Political grandee's shrubs chap with spades planted below gallery
• Disruption of trade meant less for veteran politician
• Church official says piece for politician
• Revolutionary leaders test bishop, say, as political adviser
• Revered MP deviously ends stalemate involving Queen