81.   The Perot crowd here peppered him with tough questions about free trade and wealth, and he rarely stumbled.

82.   The police are stopping drivers to ask questions about the accident.

83.   The police have arrived and are asking questions about the death of Mr Hyde.

84.   The practice also raises questions about the quality of farmed fish, says Pauly.

85.   The questionnaire administered to parents included specific questions about work at nuclear establishments and monitoring for exposure to ionising radiation.

86.   The succession also raises immediate questions about the qualifications of Westin, who has no news background.

87.   The taut dialogue raises a squirming smorgasbord of questions about the potential for bedlam when our profound individual differences are ignored.

88.   The White House sidestepped questions about linking the gas tax repeal with the minimum wage.

89.   There are also important questions about the handling, safeguarding and transport of missile systems.

90.   There is probably not much survival advantage to be gained from discovering a grand unified theory or answering questions about determinism.