Here are the latest DVDs for those seeking entertainment for the holiday weekend. “The Snowman” is a gritty crime novel based on a story by Jo Nesbo.   “Tulip Fever”, a painter falls in love with the married woman whose portrait has has bee commissioned to paint.  “Goodbye Christopher Robin” is a bio pic on Pooh creator A. A.  Milne.  In “Unlocked” , a CIA interrogator  attempts to derail a bio-terror plot.  “The Viceroy’s House” is a dram set in the British Raj.   In Game of Thrones 7, Dany and her dragons return to Westeros, while in season six of Homeland, Carrie’s attempt to find life outside the Agency, this time as an advocate for Muslim refugees, is thwarted by another terrorist plot.