It sounds medieval, or at least Harry Potteresque, I know, but take a look at the picture and you will agree, witches brooming is rightly named. Now, as you drive the expressways in the large northern cities you will begin to have the affliction that Lesley and I refer to as “the arborist’s eye”.  Be careful! Don’t take your eyes off the road, but you can begin to notice Witches Broom everywhere near heavy automobile traffic, especially in the winter when the leaves are notcovering up the ends of branches.