What happens to UCUNF now?

The NI tail of the UCUNF dog has gone against the Conservative party’s policy on P&J for NI. Sir Reg Empey has seriously embarrassed Mr Cameron, who is now seen both by Democrats and by Republicans in the USA as a dog who can’t control his own tiny tail. How long can UCUNF survive when its two component parties don’t agree on the biggest NI issue since the GFA? And how many more embarrassments is Mr Cameron prepared to endure?