"I think the process could have sensible reform, " FA general secretary Alex Horne told BBC Radio 5 live.
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But Unison union general secretary Dave Prentis said Mr Cameron's "warm words won't fool women".
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Kevin Parker, general secretary of the Manchester City Supporters' Club, called the day "an exciting occasion".
He resigned as CONCACAF's general secretary in 2011, after serving with the body for 21 years.
Derek Simpson, Amicus General Secretary, said workers who had lost their pensions should be compensated retrospectively.
The college's general secretary, Dr Peter Carter, said all clinical professions should have equal protection.
Cathy Warwick, general secretary of the Royal College of Midwives, offered support for her colleague.
But Dr Mary Bousted, general secretary of the Association of Teachers and Lecturers, was more critical.
The NUT's general secretary Christine Blower said the curriculum was "desperately ill thought out".
Christine Blower, the NUT's general secretary, said Mr Gove could soon face his "poll tax moment".
But Unite's joint general secretary Derek Simpson said he was "not at all optimistic".
Guy Ryder, general secretary of the International Trade Union Confederation, will become a CBE.
Its general secretary is Robert Griffiths, a candidate on the south Wales central list.
Louise Silverton, deputy general secretary of the Royal College of Midwives, welcomed the report.
Unite general secretary Len McCluskey said the news was a "fantastic boost for manufacturing".
Frances O'Grady, set to become the TUC's first female general secretary, also addressed delegates.
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Royal College of Nursing general secretary Peter Carter described it as a "powerful and monumental" report.
"We need to pin down what is causing this, " said Louise Silverton, its deputy general secretary.
Christine Blower, general secretary of the National Union of Teachers (NUT), was also critical.
Mark Serwotka, general secretary of the largest civil service union, PCS, said Mr Maude should apologise.
Unite's assistant general secretary Tony Burke said the new jobs were to be welcomed.
Mick Rix, general secretary of Aslef, said he welcomed the intervention of the mayor.
General Secretary Bob Crow said the damage was "shocking" and highlighted cuts to the service.
Len McCluskey, general secretary of the UK's largest union Unite, said Mr Cable ought to be ashamed.
"The companies who signed up are to be applauded, " said Jyrki Raina, the group's general secretary said.
Scottish Trades Union Congress general secretary Grahame Smith said the statistics represented "better news than recent months".
Lucy Morton, deputy general secretary of the Immigration Services Union, said she regretted its members were striking.
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That opinion was echoed by Stephan Kramer, general secretary of the Central Consistory of Jews in Germany.
Alan McKenzie, acting general secretary of the Scottish Secondary Teachers Association, described the list as very restrictive.
Tony Woodley, the general secretary of trade union Unite, said the criticisms were "understandable but not realistic".
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