It Will Never Happen
It has been tried several times over the last 10 years and failed miserably each time.
So as much as I sympathise with your sentiment, events(bastardry) over the last 3 years have meant that unity is and always will be a fiction.
If you are interested in the events to which I refer they can be read in other threads which were ultimately closed because these events are provocative.
Now....where were we? aaah yes.....the current sadness