A Question for Wal-Mart

Wal-Mart imports billions of dollars of stuff from China and other countries in the far East. Thousands of containers loaded with Wal-Mart imported goods must arrive in US West coast ports every week. What is Wal-Mart's stance on port security? Do they believe that all their containers full of imported goods should be inspected and secured prior to leaving the foreign ports? Do they support Congressional action that would require such inspections?