"Explores how our borders evolved--and continue to change--in response to religion, transportation, communication, politics, culture clashes and even Mother Nature."--Container. Why don't people from New England pronounce their 'R's? How come some Pennsylvania Amish use cell phones? How did Northern Californians get so liberal? The clues are right on the map. Brian Unger hits the road, makes irreverent observations about how people think, speak,...