MOGADISHU, Somalia ? The massive truck bomb that killed 15 people, including a Kenyan diplomat, and wrecked Somalia's premier hotel has stunned the capital and raised fears Monday that the Islamic extremist al-Shabab rebels are escalating their violence. Senior police official Capt. Mohammed Hussein said the toll has risen to 15. This is a very worrying situation, he said as he stood outside the Hotel Jazeera near a...