21.   A cheer rose from the thousands of loyalists pushing at the police barricade.

22.   A couple of times before that, they had pushed at the puck after the whistle.

23.   But the modern world is starting to push in at us now.

24.   But the Travelers-Citicorp union pushes harder at the edges of federal regulations, and that is why this deal has hit Congress with such force.

25.   But this time she lets the emotions of her character keep pushing at her, demanding more and more space, until she seems ready to implode or explode.

26.   But whether he knew it or not, he was also pushing at a series of open doors.

27.   Cathy Freeman, the Aboriginal runner, has so much weight on her shoulders, it will be a miracle if she can push off at the start line.

28.   Coincidentally, garbage is what NBC has been pushing at its NBA viewers for the last four months.

29.   Hands push at invisible boundaries, embrace and shove others away and signal power, sometimes comically.

30.   He began pushing at the limits of his medium and later said that he threw out most of two years of work.