http://www.nraila.org/Legislation/Federal/Read.aspx?id=5224
has the real story. 2/3rds of the senate has to ratify a treaty.
2010 is important. Go VOTE!
Keep in mind many republicans are as anti-gun as democrats! Esp the more "moderate" republicans.
the NRA story is less tin foil
restricting arms imports/exports is different than banning US guns.