"Another issue is that at this point the UK backing out of Brexit would make it a global laughing stock and confirm the single largest ever peacetime collapse of a nation’s international credibility. Try selling that in the face of growing and British nationalism in England, with Union flags plastered everywhere and on everything in the shops and with a plethora of newspapers calling the PM a traitor, an EU lackey and blaming her incompetence for the fact that Brexit hasn’t worked. The truth is that Leave would win again, and it’s just the opportunity that Boris Johnson needs if he wants to take over and for Nigel Farage to make a comeback.
http://www.businessforscotland.com/a-second-eu-referendum-is-unlikely-and-england-would-probably-still-vote-leave/