This week’s Column explores some of the best and varied shopping in the city. Madison Avenue is having a renaissance. Carolina Herrera and others have opened boutiques in tandem with New York Fashion Week. Fall is here, and the stores are full of new merchandise. The best New York shopping tours take you to Madison Avenue. It is always a must visit destination in New York, and these new boutiques make it more exciting. Read written by Barbara Hodes of NYC Private Shopping Tour in New York Social Diary.