A few years ago, officials and executives in New York proclaimed their ambition: to build the city into a powerful hotbed for tech innovation and since then money has poured into the city’s tech sector. But no New York start-up has been a breakout hit, the sort of blockbuster with a multibillion-dollar valuation that has become so commonplace in Silicon Valley.  Photograph:   EPA/Gary Hershorn

Predicting that your city will be the next Silicon Valley is simple. But actually making it the next Silicon Valley is something else entirely – as Ne(...)

The legal age for buying tobacco in New York City, including cigarettes, electronic cigarettes, cigars and cigarillos will rise to 21, from 18. Photograph: Owen Humphreys/PA Wire.

Buying cigarettes in New York City is about to become a lot harder for young people, as lawmakers yesterday adopted the strictest limits on tobacco pu(...)

New York mayor Michael Bloomberg during a news conference after a federal judge ruled on a stop-and-frisk police practice in New York on Monday.  Photograph: Kirsten Luce/The New York Times

A federal judge ruled on Monday that the stop-and-frisk tactics of the New York Police Department violated the constitutional rights of minorities in (...)