'The Family Stone' Sequel: Everything We Know So Far

20th Century FoxWhen it comes to Christmas movies, there are the old classics — It’s A Wonderful Life, A Christmas Carol — and then there are the new classics, like Home Alone and Elf. Nestled into the latter category is the 2005 dramedy The Family Stone. It’s got all the makings of a movie worthy of your annual holiday rotation: a sprawling yet somehow also cozy New England house, a giant close-knit family, an increasingly awkward Christmas visit, and the lovely late Diane Keaton anchoring it all as Sybil Stone, the fiercely loving (if not a little formidable) matriarch.Does the plot have som