Al-Shabaab has threatened revenge on Kenya ever since Kenyan forces entered Somalia . Mall attack shows Al-Shabaab has taken its ability to strike outside Somalia to a new level . The operation meets criteria that al Qaeda leader al-Zawahiri listed in a recent message . The Westgate Mall has several Israeli establishments and is popular with expatriates . Comment:
Al-Shabaab has threatened revenge on Kenya ever since Kenyan forces entered Somalia . Mall attack shows Al-Shabaab has taken its ability to strike outside Somalia to a new level . The operation meets criteria that al Qaeda leader al-Zawahiri listed in a recent message . Comment: