Two workers pruning street trees in London during World War I,  released by the Imperial War Museum on the  IWM Non Commercial Licence . I have been pruning lately; not outside, where as I write it is still cold, windy and a week ago, slushing.  At first, it was exciting to whack people right out of my Ancestry.com main DNA tree, because some ancient "ancestors" had no sources, and conflicting or nonsense "facts." Delete, delete, delete. But sometimes while falling asleep, I wondered if the name itself is a clue I should have left in the tree.  A recent interview with Roberta Estes * quotes her: "E very connection has the potential to be incorrect.  I’d much rather saw a branch off than continue to bark up the wrong tree. "   I find that statement reassuring.  When I resume researching the pruned line, I'll find evidence unavailable when I was a beginner. Back then, I blindly trusted other people's trees. I thought that they had done thei...