At the 2:35 mark....

"It turns out that until 9 years ago, the government had a right under US law, to conduct secret testing on the American public under specific conditions. Only a public cry repealed part of that law, with some exceptions."


Below are the description updates posted by the Youtube Channel owner at the video above, including the Public Law referred to in the newscast above.
Posted here for posterity.

Posted: Nov 9, 2007 07:46 PM EST

Could a strange substance found by an Ark-La-Tex man be part of secret government testing program? That's the question at the heart of a phenomenon called "Chemtrails." In a KSLA News 12 investigation, Reporter Jeff Ferrell shows us the results of testing we had done about what's in our skies.
story by Jeff Ferrell

http://www.ksla.com/

http://www.youtube.com/watch?v=okB-489l6MI

11/11/09 Update: "Unsolved Mysteries" or proof U.S.A. tested using RAIN to infect AMERICAN
http://www.youtube.com/watch?v=okv2VEUnkE0

3/30/09 Update:

Council on Foreign Relations on Planetary Geoengineering: Add more small reflecting particles in the upper part of the atmosphere
http://cryptogon.com/?p=7709

I dont think anyone has the complete story on exactly what chemtrails are. I dont doubt that weather modification is a part of it, but take your pick on the rest. Theres almost certainly a biological component to some of the spraying.

6/4/08
Becks new song "Chemtrails"
http://tinyurl.com/3vp3zk
Chemtrails - Beck

Yet another update:(many may find of interest) 3/21/08

Breaking the Nuremberg Code: The US Military Human-Testing Part 1 of Heather Wokusch discussing "Breaking the Nuremberg Code."
Covers Edgewood Arsenal, Project 112/SHAD and Stratton VA.
http://www.youtube.com/watch?v=FH7WVRJogGY

Also, here is her website:
http://www.heatherwokusch.com/index.php?name=News&file=article&sid=137

Update: 3/18/08

A Doctor Speaks Out About Chemtrails four scenarios

http://www.americanchronicle.com/articles/viewArticle.asp?articleID=2147...

Also, some may want to change the scary term "chemtrails" to..."cloud seeding." Just read Senate Bill 517.

http://www.govtrack.us/congress/billtext.xpd?bill=s109-517

Update:
Germany Admits to Clandestine Chemtrail Ops.
http://www.chycho.com/?q=Chemtrails

SHREVEPORT, LA
CHEMTRAILS: Is U.S. Gov't. Secretly Testing Americans 'Again'?

Posted: Nov 9, 2007 07:46 PM EST

Could a strange substance found by an Ark-La-Tex man be part of secret government testing program? That's the question at the heart of a phenomenon called "Chemtrails." In a KSLA News 12 investigation, Reporter Jeff Ferrell shows us the results of testing we had done about what's in our skies.
story by Jeff Ferrell

http://www.ksla.com/

Left side, sixth video down, watch it before they take it down...

Also see, http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=Retrieve&db=pubmed&dopt=Abs...

Potential Source Backing this up...

Finally, PUBLIC LAW 95-79 [P.L. 95-79] TITLE 50, CHAPTER 32, SECTION 1520 "CHEMICAL AND BIOLOGICAL WARFARE PROGRAM" "The use of human subjects will be allowed for the testing of chemical and biological agents by the U.S. Department of Defense, accounting to Congressional committees with respect to the experiments and studies." "The Secretary of Defense [may] conduct tests and experiments involving the use of chemical and biological [warfare] agents on civilian populations [within the United States]." -SOURCE- Public Law 95-79, Title VIII, Sec. 808, July 30, 1977, 91 Stat. 334. In U.S. Statutes-at-Large, Vol. 91, page 334, you will find Public Law 95-79. Public Law 97-375, title II, Sec. 203(a)(1), Dec. 21, 1982, 96 Stat. 1882. In U.S. Statutes-at-Large, Vol. 96, page 1882, you will find Public Law 97-375.