Rob Reiner and wife found dead in LA home; son arrested and held on $4M bail; Amy Schumer is separating from Chris Fischer, her husband of seven years; Hailee Steinfeld and Josh Allen are expecting their first baby; National Cupcake Day is celebrated ; and celebrity birthdays: Actor Don Johnson 76, The Clash's Paul Simonon 70, actor Stuart Townsend 53, actor Adam Brody 46, actress Maude Apatow 28.