51.   -- Establish ground rules.

52.   A ball that hit the cage was in play, making it a ground rule.

53.   A common mistake that separated couples sometimes make is to split without working out the ground rules that will guide their behavior.

54.   A similar risk haunts much of the globe, exacerbated by a fundamental conflict between the ground rules of the new economy and the demands of human instinct.

55.   A result is a collision between the financial logic of the book market and the ground rules of academia.

56.   A Senate Insurance Committee today will hold a hearing in Sacramento on a bill that would lay new ground rules for such conversions.

57.   A team of U.N. negotiators left Cambodia last month after failing to reach agreement with the government on ground rules for the tribunal.

58.   According to sources close to the project, no ground rules have been set for the BET interview.

59.   After passing in April in the Senate, campaign finance reform was derailed in the House last month, when members rejected GOP ground rules for debating the bill.

60.   But a fan reached over the low railing and interfered with the ball and second base umpire Bob Davidson called it a ground rule double.