61.   Complex technical issues have held up broad introduction of online billing.

62.   Deregulation of the electric utilities is a complex issue.

63.   Despite the resolution, the Yahoo flap is an important lesson in the increasingly complex issue of copyright law on the Internet.

64.   Economic policy increasingly involves complex issues that cut across federal agencies.

65.   Even if the problem is resolved in time, it would still leave an array of immensely complex issues on the table.

66.   Either way, the cancellation of a very minor tour is threatening to grow into a complex issue with serious repercussions for many people, including Khaled.

67.   Experts at the workshop are scheduled to debate complex issues.

68.   For they pose complex issues not only of policy but of constitutional law.

69.   Gore often cites his success at working with Republicans on complex issues like arms control.

70.   Group software allowing people to collaborate on complex issues is only one component of Hyper Forum.