51.  Netanyahu, while repeatedly insisting that he did not mean to threaten Syria, has maintained a tough line.

52.  On Iran, the administration seems determined to take a tough line.

53.  On Nigeria, South Africa took a very tough line, but only after an about-face.

54.  One day the administration has taken a tough line against Serbian aggression toward the Bosnian government and U.N. peacekeeping forces.

55.  School officials say they sought to draw a tough line so as not to erode the effectiveness of the uniform.

56.  So Bush has taken a similarly tough line.

57.  Some favored a tough line, some favored appeasement.

58.  Speaking after a meeting with South Korean President Kim Dae-jung, Bush created some tension with his guest by taking a tough line with North Korea.

59.  The administration has taken a tough line on getting Japan to open its markets to American automobiles.

60.  The Bush administration, taking an uncommonly tough line with the Jewish state, last week told Israel to withdraw its forces from the embattled West Bank.