He admitted that the current system had led to exams getting easier.

Everybody knows that our financial and environmental systems are leading us up a blind alley.

This system, of course, sometimes led to abuse, but mostly it worked without serious friction.

The system, in which employers provide insurance for most employees, has not led to soaring costs.

"We can't let the system lead us in until we know you'll be able to open it later."

This system has led to protests by health care providers.

On a higher level, the system has led to only modest success.

At Kennedy, the system led to long delays and was taken out of service until it could be improved.

Finally, the 311 system has led to an increase in the number of complaints.

This new system will also lead to many different kinds of discrimination.