To them, "a wide variety of forces has made it increasingly more difficult for any state to wield power over its people and address issues it once considered its sole prerogative."

他们认为，“来自各方面的力量已使得任何一个国家都越来越难以对其人民行使权力，也越来越难以处理那些传统上完全属于他管辖的问题。”

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That's why we will give the House of Commons more control over its own timetable limit the use of the Royal Prerogative and reduce the power of the party Whips.

BBC: Cameron's data speech in full