NYT: Britain gave Chevron the go-ahead on Friday for a controversial deepwater drilling project in the North Sea, a sign that the recent accident in the Gulf of Mexico has not shattered that government’s support for such projects. Chevron gained permission to start drilling an exploratory well as part of its Lagavulin project in the waters north of the Shetland Islands, Britain`s Department of Energy and Climate Change said in a statement. It is the first time it has granted permission …