Amy Sohn [http://www.fuckedinparkslope.com/home/motherland-amy-sohn-has-a-new-book-and-nothing-to-apologize.html] ‘s latest tract on the agony and the ecstasy — mostly agony — of Park Slope living hit the shelves this week in all its mean-girl glory. A hyperreal satire (soap opera?) starring Park Slope Parents, Connecticut Muffin, and an endless onslaught of