They have to come back from Afganistan now don’t they?
"One riot, one Ranger"
The problem is that the lake is on an international boundary. The boundary is controlled by a bi-lateral commission, and the Mexicans have veto power over what we do. Both governments could and should jointly police that lake. Or the Mexicans should agree that we do it. They know it is hotbed of drug smuggling, and all they have done is warn the law-abiding of both countries to say away, instead of going in there and asserting authority.