21.   As a result, isolated labor disputes have flared in a working population that has been extraordinarily long-suffering.

22.   As for the Blue Jays, they are a team fully caught in between a bitter labor dispute and a hard place.

23.   As for the labor dispute itself, Paul Weiler, Harvard professor of labor relations, said it follows in the tradition of labor disputes in sports and beyond.

24.   As the men in blue walked a picket line outside Phoenix Municipal Stadium, baseball owners met secretly to discuss the labor dispute.

25.   At issue in the labor dispute are a wage package and new work rules that the unions have bitterly resisted.

26.   At issue was a section of Ohio law that prohibits benefits for workers whose unemployment is due to any labor dispute other than a lockout.

27.   At the heart of the Metropolitan Transportation Authority labor dispute is the issue of subcontracting out work.

28.   At the center of the NBA labor dispute is the Larry Bird exception to the salary cap.

29.   Baseball disenchanted its fans with the insult of the labor dispute that canceled the World Series last year.

30.   Because of separate labor disputes involving mechanics and pilots, United has canceled hundreds of flights, and many others have been delayed for hours.