Despite failures, U.S. likely to continue raids to free hostages

(Adds White House comment paragraphs 11, 12) By Warren Strobel and Phil Stewart WASHINGTON/KUWAIT CITY, Dec 8 (Reuters) - Despite three failed raids to free U.S. hostages held by militants, the United States will continue to conduct such operations, administration officials indicated, as President Barack Obama grapples with a spate of kidnappings and killings of American citizens. ...