Mike Leeper was Juror No. 5 in Timothy McVeigh's trial for the 1995 terror attack that killed 168 people.
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.