Alan George Lafley has re-joined the Procter & Gamble (NYSE:PG) as President and Chief Executive Officer. This announcement was made by Procter & Gamble (NYSE:PG) last week. His joining comes post the retirement of Robert A. McDonald, on June 30, 2013, after 33 years of service. Jim McNerney, presiding director of P&G’s Board, said, “A.G.’s…