But the secret fear of European business is that politics as usual will muddle on and that change will be put off until a crisis makes it impossible to avoid.
Near the end the two look back drunkenly in a London pub on the muddle of their lives: both love Misia rather than the women who married (and gave up on) them.
Ever since he shook up the resort scene back in 1987 when, as an unknown, he elbowed aside rivals to grab the bankrupt Mount Hood Skibowl, Hanna has relied on surprise and crossed fingers to muddle through.
And so the boys carried on into puberty, in a colourful muddle of hearsay and experiment.
Peter Mandelson himself accepts that he contributed to "this muddle" and apologised for his part in it on Friday morning.
He only focused on one idea at a time and did not muddle what he was saying by having busy PowerPoint slides behind him.
After months of headlines about pasty taxes, plebgate, confusion over energy policy, West Coast mainline chaos, G4S Olympic security muddle, abandoned Lords' reforms and badger culls and so on, the government will hope it has a chance to change the narrative.
Hollande has recruited international support from the IMF and the OECD for Eurobonds while a war of words between unnamed officials on contingency plans for a possible Grexit did nothing more than further muddle the situation.
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Many audiophile companies are trying to muddle through with the same formula that has served them so well in the past: focusing on well-heeled men, most in the latter parts of middle age, who are looking for the ultimate in sound.
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And it would be easy to forgive Brooks the insipidity of his characters and the tedium of his tale if he really delivered on his promised synthesis of the paradigm-busting sciences of the mind, but he delivers only a muddle.
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