卡梅伦将比其他所有战后英国领导人都更容易受到本党异见派和极端分子的要挟，后两者把让英国退出欧盟视为自己的历史使命。
Cameron would be more vulnerable than any leader in postwar British history to blackmail by his own party’s dissidents and extremists, who see it as their historic mission to pull Britain out of the EU.