101.   When you follow the natural-gas industry, the fickle ways of the weather can play havoc with even the best of projections.

102.   Without a single currency, or some rough approximation of one, sudden shifts in relative currency values will continue to play havoc with trade flows.

103.   Yes, snow and rain has played havoc with portions of the schedule.

104.   Yes, keeping the stadium would play havoc with the view.

105.   Yet at the same time, we have stage directors who play havoc with original sources.

106.   A mouse that scampered aboard an SAS jetliner in New York played havoc with the aircraft bound for Stockholm.

107.   A tropical downpour shortly after the start played havoc with the field last year, causing accidents and spinouts.

108.   And there have been fewer major storms, which play havoc with airline schedules.

109.   Anything from strong winds to fog, and, as was seen this week, blizzards could play havoc with Olympic schedules, officials say.

110.   As El Nino started playing havoc with weather patterns, we kept track of temperature levels as we sweated through each day.