51.  As prime minister, Netanyahu may have to modify tough positions.

52.  Blair staked out a tough British position on border controls and immigration.

53.  Blair staked out a tough British position on border controls and immigration, another issue on the table at the summit.

54.  But Moscow reiterated its tough position, and a settlement did not appear imminent.

55.  But Moscow reiterated its tough position, including a settlement did not appear imminent.

56.  But the tough positions put forward by the mainstream parties drew criticism as well.

57.  But weak oil prices have made Gulf states stingier, putting the exporters in a tough position.

58.  Earlier, Netanyahu and Arafat stuck to previous tough positions.

59.  He said coaches are in a tough position.

60.  He staked out tough positions in negotiations but ultimately relented on key issues.