Thank you so much, Irene, one for taking time to comment, and two for reading. One of the hyperlinks for Francesco apparently doesn’t work and he. F, think it’s because the article is in a Medium Comp. I’ll get my husband to see if he can find a way around it. Or perhaps you can read it from here. https://medium.com/illumination/walking-in-a-dead-mans-shoes-ae80c6bcda87 Thanks again Irene.