There was a very interesting and potentially significant development dropped into the silver equation this week. I’m speaking of the appearance of the head of commodities for JPMorgan, Blythe Masters, in a short interview Thursday on CNBC. There has already been widespread reaction to the clip and I must admit that it touched off a whirlwind of different thoughts in my mind. Quite frankly, I’m glad I’ve had a bit of time to sort them out before commenting. If you haven’t had the opportunity to…