51.   Wednesday, Levy seemed to be signaling Bruno that he was not prepared to challenge his authority on this issue.

52.   We challenged authority.

53.   What began as an abuse of authority provoked the use of information-gathering by the news media to challenge authority at every turn.

54.   Zimmer yelled, as if Cardenal had challenged his authority.

55.   Zaven Yaralian, the former defensive backs coach, used to challenge the authority of the defensive coordinator, Mike Nolan, in front of the players.

56.   Outlawed groups seemed intent on challenging authority while a weak, center-right minority coalition government is mired in partisan bickering.

57.   Protests, especially ones challenging government authority, are highly unusual.

58.   A combative Boris Yeltsin raises the stakes Thursday in his conflict with lawmakers, threatening to dissolve the parliament if members continue to challenge his authority.

59.   Although radicals disagree with his nonviolent methods, few challenge his authority.

60.   And Arafat has made certain over the years that no other political figure emerges to challenge his authority.