We all know what a tumbleweed is, right? The funny-looking dried-up plant balls are typically seen rolling across desolate landscapes in Western movies, accompanied by Ennio Morricone scores. These ...
Tumbleweed is sprawling across sidewalks. It is blowing across freeways. It is stacked up — feet high — against homes in Utah and Nevada. The masses upon masses of prickly tumbleweed are more fallout ...