21.   Other scientists injected a note of caution, saying the recent string of stormy years was still too short to constitute a clear trend.

22.   Since a recent string of Ecstasy arrests at the club, security has become unforgiving.

23.   Some scientists cautioned against reading a global warming scenario into the recent record-breaking string of winters.

24.   The company has also suffered a recent string of product flops and marketing blunders.

25.   The Hudson stickup was the most brazen in a recent string of drug-related burglaries that has veterinarians and police officials on alert.

26.   The momentum for the reinstatement of the death penalty came largely from a recent string of gruesome murders.

27.   TUNA is the latest in a recent string of technologies aimed at claiming the enormous market in prostate surgery from TURP.

28.   Was he involved in a recent string of unsolved bank robberies throughout the Midwest?

29.   Woods has been frustrated at times by his recent string of close calls, the latest being Sunday at the Phoenix Open, when he finished third.

30.   At the very least, the march included hundreds of thousands and was by far the largest seen in a recent string of gatherings in recent months.