Jarrett leading secret negotiations with Iran?

Jarrett leading secret negotiations with Iran?  If this report is true, it is very disturbing – such a negotiation is far outside her brief, and we have zero reason to believe that she is in any way qualified to do this.  The administration very quickly issued a categorical denial.  If this were any other administration, I'd immediately dismiss this report on the basis of that denial.  But it is The One's administration, and their denial actually makes me even more suspicious...