[catpuppy]

Show me what is irrational about keeping American's national security resources away from access/ownership by foreign governments?

Nothing. But since when are the computers, files and loading equipment associated with managing our ports considered to be national security resources?

What's next? The pencils and ballpoints?

[hedgetrimmer]

But since when are the computers, files and loading equipment associated with managing our ports considered to be national security resources?

They can be when associated with biometrics, radio frequency identification ((RFID) and radiation sensor technology when used for port security.