SOLVED: Can Exchange Online Be Used As a High Availabilty Fail Over to Your On Premise Exchange Server

In a word, no.  I have spent several days trying to find a clear answer the to this question in white papers, blogs and even MS Partner Support. I think Microsoft will offer this service in the not so distant future because it just makes sense to.  Using the Office 365 Feedback link (below) I posted the following question (which I may never receive a response to).  If you want to use Exchange Online as a fail over…