The Problem of Similar Manuscripts

Version 1

    http://www.onlineethics.org/Resources/Cases/similar.aspx

     

    A journal editor receives a paper and sends it for review to the three experts in the field. The next day he receives a similar paper, with some different methodologies but the same conclusions.  Should it be sent to the same reviewers? If both papers are considered publishable, how should the editor handle them?