Today Frank Bruni files a second review of Mas (pictured), the organic, locally-sourced West Village eatery he bestowed with one star four years ago. Today he bumps the cozy French-inflected restaurant up a star, noting that Mas isn’t “for diners with big, blunt appetites. It’s for those who revel in little surprises and unexpected nuances, like the smoked celery root purée that came with grilled turbot.” Meanwhile, Alex Witchel enlists cookbook author Arthur Schwartz in......