David Cameron once branded them "fruitcakes, loonies and closet racists".Now UKIP face being something much worse - irrelevant.Where next for Nigel Farage's flailing anti-EU party just three years after it won 4million votes - helping push the Leave campaign to victory?Mirror reporters Dan Bloom and Mikey Smith took a party legend to London's Fruit Cake Patisserie to find out.Gawain Towler spent 14 years as UKIP's tweed-clad press chief after cleaning toilets in a Knightsbridge club, working on the cheat phone line for video game Worms and "modelling" for Italian Vogue in Paris.As UKIP's official spokesman, he often found himself defending the indefensible - all in the polite chirpy manner of a Victorian gent.So we chatted about the party's scandals, its plummeting popularity - and where it goes next.