In countless Boston suburbs, the green movement and even the recession have been unable to halt the practice of demolishing Capes and ranches to make way for monster-size homes. [...] while it's been playing out in Weston, as well as in parts of Wellesley, Newton, Needham, Natick, and a handful of other expensive, sought-after communities for some time, most of these cities and towns saw a small drop-off in the number of applications for single-family demolition permits during the recession.