Baz Dreisinger visited prisons in nine countries and wrote about her experiences in a new book, "Incarceration Nations."
The worst drought in decades is raising concerns that parts of the Mississippi River could be closed to shipping at some point.
This despite emergency dredging and rock removal by the US Army Corps of Engineers.
If the river is closed, shippers would be forced to use more expensive railroads to get their good where they need to go.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.