Kate Aurthur editorSPOILER ALERT: Do not read if you have not yet watched Part 1 of the reunion of “The Real Housewives of Beverly Hills.”At the end of the finale of “The Real Housewives of Beverly Hills” last week, during the traditional end-of-episode montage when each woman sums up how the season was for them, Erika Girardi delivered a monologue that was both typical of her pugnacious Season 11 performance and revealing.