By camaralenta / Getty Images For many months — especially over the summer — there’s been talk of food shortages due to drought or extreme weather events such as floods. But products can also be victims of their own success, with demand that outstrips supply. This is the case with tequila, which has become an ultra trendy drink — especially in the United States — that there are fears for its future. For many months — especially over the summer — there’s been talk of food shortages due to drought or extreme weather events such as floods. But products can also be victims of their own succe…