"A successful intervention for us now is one where nobody gets killed."
There are also an increasing number of successful interventions which require specialist input, usually in a hospital setting.
Presidents intervene because successful interventions enhance America's ability to obtain the outcomes it wants.
I fully agree with your assertion that early identification and treatment improve the likelihood of successful intervention.
Typically successful intervention will lead to a low enough level of disease to be acceptable, depending upon the value of the crop.
And even if successful interventions are found, they tend to stop working long before anyone is willing to give them up.
I think there is valid evidence that a successful intervention could be made - and will definitely be attempted.
"A successful intervention needs to attack all these factors at once," Professor Cuie said, and continue over many years.
The group quickly became an elite special operations force, with more than 400 successful tactical interventions.
Below are a few successful interventions, followed by the United States' approach.