Duplicate Emails Affecting Outbound Sales Campaigns - Need Help

I'm getting duplicate emails for some reason that's messing up my outbound sales... TWO emails are being sent in step 1 of a campaign (v1 an older version of the template and v2, the current template version) NOTE: I duplicated assuming the duplicate would be not have any memory of the v1 template. Alon J. Lindy - Please advise. Thank you.