`Seigenthaler is and has been and probably will again go on some talk show and again make the statement, probably several times, that ``Wikipedia is totally irresponsible`` even though he admits that changes in registration have been made and the article was taken down.   The discussion pages are proof of concern for accountability and the actions taken prove responsibility.  He is the one making the libelous statements and I believe he even said ``don't use Wikipedia`` on Washington Journal Friday the 9th. On accountability, to enhance accountability even further, why wouldn't we have full registration, or does the current mode provide enough traceability?  `