It may have been a few years since Lester Piggott, who turned 83 in November, 2018, was known as the “Housewives’ Choice” but, in his heyday, he was not so much a jockey as a phenomenon. In a riding career which lasted nearly half a century – including a five-year hiatus between 1985 and 1990, a year of which he spent under lock and key for income tax…