Petra, the Alsatian dog from the B.B.Cā€™s childrenā€™s programĀ Blue Peter answering her fan mail. (Photo: John Pratt/Getty Images)

Hereā€™s your weekly open thread, now operating under the rubric of Reasonable Discussions, as suggested by a few commenters. Thank you for making our siteā€™s community vibrant, intelligent, and fun!