As mentioned on the mailing list, my preference which has worked very well for me, is to store a single column "skills" with the value being a serialized JSON string.
I would encode lists in the column key, using composite columns with the real column name as the first dimension, ie.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.