To test his theory, he convinced officials to remove the pump handle, and the number of cholera cases in the area immediately declined.
Hard experience had convinced Soviet officials that the government was too factionalized to survive.
In common with Mr. Marks's other innovations, it was not easy to convince officials of the efficacy of his project.
Northwest also began an effort in Washington to convince federal officials that its plan would work, according to people involved in the discussions.
The cumulative impact of these shortcomings have convinced officials with any number of voting rights organizations that the election law changes are virtually worthless.
He invested millions of dollars of his own money into the effort, traveling throughout Pennsylvania to convince local officials to oppose the merger.
That was, until Mr. Pitti began his crusade to convince officials otherwise.
Opponents said they would try to convince elected officials that they will be risking their political careers if they support the project.
So far he has convinced American and other Western officials that he is acting in good faith.
A Smoking Gun' Privately, he struggled to convince other officials of the need to improve communications security.