PARIS (AP).- A U.S. Army medic peers through dirty bandages on his own head while caring for a wounded comrade. A helicopter winches up the lifeless body of an American soldier, silhouetted against a bare white sky. Such images from the Vietnam War feature in a new museum exhibit in Paris focusing on Associated Press photographer Henri Huet, who was killed 40 years ago when a helicopter he was riding in was shot down over Laos. Co-curated by the AP, “Henri Huet: Vietnam” focuses on about 70 photos that he took during the war. The show starts Tuesday and runs through April 3 at the Maison Europeenne de la Photographie in Paris’ Marais district. Huet, who was half-French and half-Vietnamese, and three foreign photographers died Feb. 10, 1971 when the South Vietnamese helicopter they