51.   But a key figure in the Middle East dispute, President Hosni Mubarak of Egypt, delayed announcing whether he would also be on hand.

52.   But every key figure in the government knows that Iraq is coming.

53.   But it also includes key figures who reflect the peculiar neo-Confederate politics that runs through the conservative quarters of the Republican Party.

54.   But since then, federal officials said, studies have shown that the key figure for patients who are middle-aged or older is the systolic figure.

55.   But the key figure in squelching the medical speculation and therefore in propping up Yeltsin was the renowned American heart surgeon, Dr. Michael DeBakey.

56.   But the key figure was Piazza.

57.   But two key figures from the Zaire fight are still rumbling -- or, rather, stumbling -- around the ring.

58.   By all accounts, the key figure behind this transformation is the prince himself.

59.   Calmus will be a key figure in whether the Longhorns can do that.

60.   Chung has long been a key figure in the fund-raising controversy.