BAGHDAD, Iraq (CNN) -- Margaret Hassan, the kidnapped director of CARE International in Baghdad, has been seen on a videotape aired by Al-Jazeera pleading for her life. In the video aired Friday by the Arabic-language TV channel, an unblindfolded Hassan is speaking to the camera, sobbing and crying. "Please help me, please help me, these might be my last hours.... Please help me, please British people ask Mr. (British Prime Minister Tony) Blair to pull the troops from Iraq and not bring them to Baghdad. "Please, please I beg of you, the British people, to help me. I don't want...