Nighthawks review – a series of vignettes that sometimes excel but more often falter

Nighthawks , the 1942 painting by Edward Hopper, is generally described as portraying loneliness. The four people at the diner counter are dwarfed by the empty, cold openness of the street. But the inside of the diner looks warm. One man sits apart, but the other two patrons might be a couple, their hands close. The…