MOGADISHU, Somalia (AP) ? A U.S. missile strike that killed a high-ranking intelligence officer for al-Shabab has illustrated the stepped-up pressure on the al-Qaida-linked militants, both from American attacks and from African Union ground troops. An al-Shabab commander said one of two men killed in Sunday#39;s attack on a moving vehicle was Sahal Iskudhuq, who helped choose bombing targets and used to be in charge of kidnapping foreigners. Commander Abu Mohamed told The Associated Press on Monday that al-Shabab will quot;retaliate with a...