Weezer, Grateful Dead, Pink Floyd, Motörhead, Judas Priest, Adam Sandler among the list of artists expected to drop vinyl on Record Store Day; Savannah Guthrie and siblings release video plea for safe return of missing mother; Dave Coulier in remission for tongue cancer; and celebrity birthdays: Actor/director Christopher Guest 78, actress Barbara Hershey 78, actor Tim Meadows 65, actress Jennifer Jason Leigh 64, actress Laura Linney 62, Guns N' Roses' Duff McKagan 62, actor Chris Parnell 59, Spin Doctors' Chris Barron 58, actor Michael Sheen 57, Soccer player Cristiano Ronaldo 41.