Another June has arrived. Ron sits at his desk at 4:30 in the afternoon with a stack of final essay exams that needs his attention, but his mind is elsewhere. Specifically, on his right shoulder. Since returning from winter break, it’s been barking at him every time he’s at the front of the room, writing something on the board. And at this point in the school year, the pain is traveling up the side of his neck and even down his upper arm. That pattern has been around for thre