Walking to Pamplona from the B train I was struck, the way I am almost hourly in this city, by how fast neighborhoods are changing. Even two years ago, who could have imagined heading to dinner at an ambitious newish restaurant on sleepy, dusty East 28th Street? Now there’s a hip-looking Asian joint right nearby with a blackboard out front advertising, right below “lobster roll,” “spice girl roll.” You used to have to go to the corner of Park Avenue to eat that. . . .