Like society season, “The Gilded Age” — the long-gestating, sweeping and, in fact, soapy interval sequence by “Downton Abbey” creator Julian Fellowes — is now in full-swing. However on this spherical, the examination of socio-economic and sophistication hierarchy focuses on a distinctly American conflict of outdated and new cash in New York Metropolis’s post-industrial growth. Or, extra particularly, the tony nook of Fifth Avenue and 61st Road (through the precise set in Troy, New York), the place Robber Baron Dynasties are muscling their manner into the Previous Guard Institution in 1882, as youthful generations start difficult stuffy, conventional mindsets, as a result of perhaps leisure class girls truly need to have a profession. (Cue a perplexed Dowager Countess, throughout the pond, asking, “What is a ‘weekend’?”)