Are you with the bride or the groom? Hold on, scratch that. Are you with Reese Witherspoon or Will Ferrell? You’re Cordially Invited, a new comedy directed by Nicholas Stoller, brings together two ...

I remind myself of this sage corrective, because like playwright Keiko Green, author of the new comedy “You Are Cordially Invited to the End of the World!” I too have a sense that the end is near.