51.   This would have obscured the fact that the music hall is one of the places where the fabulous Vegas-style showroom was born.

52.   When sonic terrorists Pink Noise Test come up with a strong tune, the first thing they do is obscure the fact.

53.   Some worry that eliminating the word minority could obscure that fact.

54.   His phenomenal scoring record in domestic football has obscured the fact that he is an all-round forward, not just an out-and-out goal-getter.