Louisiana's wetlands are at the heart of the region’s economy and culture. They also serve as the key component in flood protection. Yet the levees and flood walls in that same flood-protection system are also what could destroy them. Louisiana musician Tab Benoit, founder of Voice of the Wetlands, tours the swamps that protect the Gulf Coast and helps paint a picture of the death of the Great Delta. Experts say if nothing is done to protect and nourish the wetlands they could disappear by 2050. This video was originally published in August 2010 on usatoday.com.