51.   Last year, he went through a hard trial of injury, a little big of coach abuse when he and I locked horns a few times.

52.   Local reports said he was frustrated in his Central Bank appointment after locking horns with Lavagna on how to end widely hated banking restrictions imposed last December.

53.   Ms. Bhutto was the first to lock horns with the chief justice over who had the right to appoint judges.

54.   The Council of the Baltic Sea States summit brings together the head of government of countries that sometimes lock horns on the meaning of security.

55.   The four main runners lock horns in a TV debate.

56.   The season is only three games old and the two leading Premier League contenders, defending champion Manchester United and runner up Arsenal, lock horns on Sunday.

57.   The two nations are also locking horns over an aviation rights treaty.

58.   Those two locked horns so often that they became a NASCAR staple.

59.   In their most recent meetings, FARC and government negotiators have locked horns over tight military controls on the periphery of the rebel-held Switzerland-sized zone.

60.   In their most recent meetings, FARC and government negotiators have locked horns over tight military controls on the periphery of the rebel-held zone.