Laura Bush had an interesting itinerary this past weekend in Peru. I think it merits more public attention than does her husband’s hobnobbing with APEC leaders at the final summit meeting. Laura Bush looks on as aid worker demonstrates how to decontaminate drinking water in earthquake zone (San Clemente, Peru, Nov. 21) Of note: (1) She didn’t come with W. (He flew with Arroz.) Instead of arriving at Lima in Airforce One with her husband, Laura Bush flew from Panama to southern Peru. Some bloggers have read into the separate travel itineraries (strained marital relations), but I’m skipping those speculations because… (2) Laura Bush should be commended for visiting Pisco,…