If we sign a totalization agreement with Mexico, there will be an outflow of funds from Social Security. We already have hundreds of thousands of social security recipients living outside the US. It is also more difficult to uncover fraud overseas. Many recipients are dead for many years, but their relatives continue to receive their social security checks. Our Consular personnel aren't equipped to monitor and control this aspect of the system.
It argues for Social Security reform, then, doesn't it?
Yet another idea whose time has come...