By Andy Silvester Life is nothing without a good lunch, and London would never be the global city it is without its restaurants. Join City A.M. editor Andy Silvester on an occasional, irregular tour of the capital’s new, and rediscovered, openings. Bardo St James’, St James’ In Tibetan Buddhism, Bardo is the state in between life and death, the mystical limbo between the worlds of the ambulant and the six-feet-under. In Italian, apparently, it just means absurdly good pasta, which is exactly what you’ll receive at Bardo St James, just off Trafalgar Square. All subterranean reds and golds and l…