It's clearly stated in the rules for the board that the moderators have the right to moderate.
Therefore, by posting on the board, these rights are implicitely granted by the copyright holder to the moderators.
Reductionist and proud of it.
Being ignorant is not so much a shame, as being unwilling to learn. Benjamin Franklin
Chase after the truth like all hell and you'll free yourself, even though you never touch its coat tails. Clarence Darrow
A person who won't read has no advantage over one who can't read. Mark Twain