World: The Circus of Dr. Unger

The shiny black Checker limousine skimmed along Vientiane's pitted streets like a water beetle supported by surface tension. There was plenty of tension in the Laotian capital, but the burly, brush-browed man in the car did not show it. U.S. Ambassador Leonard Un ger was at his unflappable best as he coordinated the search for two downed American aviators and pressed the case for fighter escort to accompany continuing U.S. reconnaissance flights over the Plain of Jars. The ambassador stopped by a cocktail party to talk with a rightist leader, then dropped in on Premier Souvanna Phouma for a little genteel...