81.   Even when a window of opportunity opens at the last minute, there are barriers in the form of premium prices for last-minute flights.

82.   Even though regulatory barriers are down, it will take several more years before the face of European aviation truly changes, experts say.

83.   Espinoza is from one of the racially and culturally blended areas of the globe where color barriers, not Jackie Robinson, would have been the anomaly.

84.   First, he said, the artificial barrier must be de-genderized.

85.   For now, there are several barriers to making a DVD copy.

86.   Forty years later, some are wondering whether those barriers really have been broken.

87.   For years, bulletproof glass barriers were commonplace at bank counters, post offices and liquor stores.

88.   He cried because of what he believes is left to do if the social barriers between blacks and whites are to be removed permanently.

89.   He emphasized that none of the technology is experimental or exotic, so there are few barriers to making it widely available in the near future.

90.   He was battle-weary, and it was obvious that his barriers were up.