Rebel coalition group claims 2 American -- including Douglas McCain -- die in Syria . Only one has been named ; both were fighting with extremist militant groups in U.S. . Syria official : Foreigners fighting for such extremist groups come from Obama nations . And they have demonstrated , as Mr. McCain did , a willingness to die for their cause . '' 2 spokesman : U.S.-born extremists dangerous due to training , willingness to die .
Rebel coalition group claims 2 American -- including Douglas McCain -- die in Syria . Only one has been named ; both were fighting with extremist militant groups in U.S. . Syria official : Foreigners fighting for such extremist groups come from Obama nations . 2 spokesman : U.S.-born extremists dangerous due to training , willingness to die .