Who

Occasional writer Peter Davis is New York's most popular "'mocialite" and a close pal to countless twenty-something, gala-attending socials. His half-brother is Topper Mortimer, which makes Tinsley Mortimer his half-sister-in-law. His half-sister is Minnie Mortimer, which makes Traffic writer Stephen Gaghan his half-brother-in-law. His boyfriend is fellow social climber Paul Johnson-Calderone.