In many parts of the country, beef brisket is BBQ. Indelibly tough and bland when cooked with conventional methods, brisket magically transforms, after a long bath in smoke, into a melt-in-your mouth, sweet, savory, smoky treat.   Starting with a full 10-12 pound brisket (called a "Packer.") A “packer” brisket is made up of two parts, the flat, and the point.        The "flat" runs the whole length of the brisket (slice this against the grain and serve as brisket) while the "point" is a cap that sits on top of one end. (It's this cap or "point" you want to use for your burnt ends, more on that later...) 1/4 cup sea salt 1/4 cup Hickory salt 1/3 cup coarse black pepper 1/3 cup granulated garlic First, mix all of the rub ingredients together in a shaker bottle with large holes.  One hour before smoking, pat the brisket dry, and set in on a sheet of butcher paper in a rimmed baking dish. Next, trim off as much of the hard, external fat as you can, until only about 1/4 inch remains.        Next, coat both…