They were Kevin Brennan (Cardiff West), Ian Lucas (Wrexham), Win Griffiths (Bridgend) and Dai Havard (Merthyr Tydfil and Rhymney).

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CMInsight's Mr Havard agrees that call centres need to focus more on providing a high degree of motivation and job satisfaction in this repetitive environment.

BBC: UK call centres seek new identity

Romney supporters covered a wide spectrum, from Jesse Havard, a 25-year-old Army veteran who recently returned from his third tour in Afghanistan, to Susan Tynan, a 62-year-old retired nurse from Sarasota who grew up in Michigan and has fond memories of Mr. Romney's father, George, from his days as the state's governor.

WSJ: Romney Wins Big in Florida Primary