Where are the best online bulletin boards and newsgroups I can use to
directly post a request to lawyers from all over the U.S. to enlist
the willing to contribute to a new website (the one I am working on
deals with gambling and gaming laws)

Hello hechas-ga:

It was pleasure to answer your question. I am providing you a list of
bulletin boards and newsgroups that cater to law and are some of the
best accessed on the internet. Following is the list:

(Find Law) Bulletin Board
http://boards.lp.findlaw.com/
The bulletin board is accessed by professionals and law seekers. It is
divided into many categories for easy access.
_____________________________________________________________________

LawInfo.com Discussion Boards
http://chat.lawinfo.com/index.cfm
This is one of the most comprehensive law related discussion board on
the net.
_____________________________________________________________________

Yahoo Law Newsgroups
http://dir.yahoo.com/Government/law/usenet/
You can access a number of law related newsgroups from the Yahoo
directory. You have to have a Yahoo ID which you can make for free.
_____________________________________________________________________

Law Related Newsgroups
http://www.ilrg.com/ng.html
This is a list of quite a few very useful newsgroups that are related
to law.
_____________________________________________________________________

Discussion Groups for Lawyers
http://www.netlegal.com/pub.html
Twelve useful web groups for American and Canadian lawyers and
professionals to discuss related matters.
_____________________________________________________________________

Law Association Professional Newsgroups
http://www.lib.uchicago.edu/~llou/lawlists/lawlists.txt
This is a very comprehensive list of Newsgroups of the professional
associations, worldwide. You will have to subscribe in order to access
their database. Don’t worry most of it is free and you get the most
professional audience. We can’t ask for a better list.
_____________________________________________________________________

Worldwide Law Newsgroups
http://www.lib.uchicago.edu/~llou/lawlists/intro.html
This is also one of the most comprehensive lists of newsgroups. You
will have to subscribe to most of them but again this is the best the
internet has to offer. Please read the instructions carefully on how
to subscribe and unsubscribe.
_____________________________________________________________________

Law Lists Info
http://www.lib.uchicago.edu/~llou/lawlists/info.html
(Both of the above lists are derived from this webpage.)

_____________________________________________________________________

Usenet Google Law Newsgroups
http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&safe=off&group=law
You will find useful information from the list of law related
newsgroups at UseNet.
_____________________________________________________________________

Famous Law related Newsgroups
http://www.ilrg.com/ng.html
This is a directory of top law related newsgroups on the internet. 
_____________________________________________________________________

Princeton Review Law Discussion Board
http://discuss.princetonreview.com/forums/index.cfm?CFID=463833&CFTOKEN=88064551&CFApp=6&
The Princeton Review has its own discussion group catering to law
related questions.
____________________________________________________________________

European Journal of International Law Discussion Board
http://chat.lawinfo.com/index.cfm
This website attracts many professionals from all over the world. You
may find plenty of attention once the question is posted (base on
average answer per question).

____________________________________________________________________

Other Useful Newsgroups

Google Newsgroups
http://groups.google.com/

News Rover
http://www.newsrover.com
This is one of the most powerful newsgroup directories on the
Internet. You must download in order to use it.

Useful Keywords

‘law newsgroups’
‘law resources on the net’
‘law bulletin boards’ 

I hope that you will find the information useful. Please clarify, if
you need further help.

Sincerely,
Leader-ga.

Great work.  Well worth the price for the time it saved me.  I doubt I
would have come up with the depth of groups and websites on my own. 
Thanks!

http://www.katsuey.com/group5.htm