Marlowe theatre, CanterburyAmy Rosenthal's drama explores the aristocratic It girls' politics and sibling dynamics, but doesn't bring much new to the party " or accentuate the contemporary resonance Will we ever get over the Mitfords? Unlikely. This summer's glossy TV treatment of their story, Outrageous, is the latest proof of the aristo-family's inexhaustible appeal. Amy Rosenthal's new play may be lucky, or not, t…
