Big Cypress Bayou

The Nature Conservancy

Close to 50 paddlefish are once again swimming around in Caddo Lake. Scientists and researchers from a half dozen federal and private agencies are collaborating on an effort to evaluate the health of the Caddo Lake watershed, and the dinosaur-era paddlefish will be a leading indicator. 

Commentator Gary Joiner spotlights an East Texas town that is trapped in time -- in a good way. He calls Jefferson, Texas, a historian's jewel in the woods.