Lindsey Graham 's gone shooting, y'all, arming himself with a shotgun days after he was packing a bubble wand in the Magic Kingdom ... but, all while the government shutdown still drags on. The U.S. Senator from South Carolina posted a photo Monday evening of himself taking aim with a shotgun, and wrote ... "Spent some time breaking clays ... Doesn't get much better than that." Kinda hard to ignore LG's huge pivot from theme parks to the shooting range. We broke the story ... Graham was seen