After looking into this, the discrepancy you're seeing is related to a set of newer features around campaign management that are only available to some accounts (which includes yours). At present for these accounts deleteing a campaign in the UI is not currently reflecting that change in API, and vice-versa. The end-result of this is that for your account the only way to have those campaigns appear as deleted in the API is to delete them with the API as decribed here: http://developer.constantcontact.com/docs/email-campaigns/email-campaign-resource.html?method=DELETE
This is something that we have in our backlog to resolve, but I don't yet have a specific time-frame for when we will be able to get this out to production.
if you have any questions, please feel free to ask!
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