>> the yucca philementosa. >> it does grow in sandy soil. >> you mentioned two -- >> they're the two i know best, and they have been found in archeological sites all over the eastern woodlands. yucca less so, as i understand it. an alternative is the inner bark of the red cedar. although i don't think it has as much tensile strength as the other. i haven't really tested this. if i ever genuinely retire, which will be in the next millennium, i think, i want to try these all out. i want to make them. >> back row. >> thank you for being here. i happen to have come from the county that has the only two reservations in the state and i find it very interesting that it once again proves that no good deed goes unpunished. because the natives of what allowed us to survive in history always reflects those who write it. thank you. >> when i write a book about indian history, if i catch it from both the indians and 2 non-indians i figure i am being accurate. what is your feeling over the controversy of whether or not native americans arrived 20,000 years ago and how long they lived in the coastal