* Tesco Bank appoints John Kingman to board (Recasts with source information): (Reuters) - Tesco’s (TSCO.L) financial arm intends to appoint John Kingman, the businessman who oversaw Britain’s bailout of its banks during the financial crisis, as its chairman, a source with knowledge of the matter told Reuters. Tesco Bank on Monday appointed Kingman to its board as a non-executive director, following a Sky News report on Saturday that the retail lender was lining him up to be its chairman. Kingman will eventually replace Graham Pimlott as chairman in a few months’ time and following regulatory approval, the source said.