+ FLYING IN STYLE Singapore Airlines' nonstop flight from Los Angeles to Singapore may be 181/2 hours long, but its new "executive economy" class (think roomy seats and video monitors) will make the lengthy journey comfortable.

- WHITHER OUR NATIONAL PARKS? Eighty-eight percent of the National Park Service employees polled in a recent survey think that politics, rather than science, influences park decisions.

+ SECURE BAGS The Transportation Security Administration has approved Travel Sentry's new locks for use on all checked baggage. Bags can be unlocked only by TSA screeners.

- A CAPTIVE AUDIENCE There's no escaping ads—America West Airlines now uses its tray tables as billboards for companies such as Mercedes-Benz and Bank of America.