The Earth might be getting full, but the (western) US is not... lots of cheap land just waiting for settlers. Not so different from the days of the Old West. Wh

The Earth might be getting full, but the (western) US is not... lots of cheap land just waiting for settlers. Not so different from the days of the Old West. What is different is that these days, the gold rushes always seem to happen in the already-crowded places.