It is the Saturday after the 2016 presidential election, and in a plush weekend house in Connecticut, an intimate group of friends, New Yorkers all, has gathered to recover from what they consider the greatest political catastrophe of their lives. They have just sat down to tea when their hostess, Eva Lindquist, proposes a dare. Who among them would be willing to ask Siri how to assassinate Donald Trump? Liberal and like-minded-editors, writers, a...