DAPHNE PSALEDAKIS THE United States issued sanctions targeting the Islamic State in Somalia, designating members of the group and others it accused of being involved in a "terrorist weapons trafficking network" in Eastern Africa. The U.S. Treasury Department in a statement said several of the people designated in Tuesday's action have sold weapons to or were active al Shabaab members. The al Qaeda-linked Islamist group claimed responsibility for two car bombs that exploded outside the education ministry in Somalia's capital Mogadishu on Saturday, killing at least 120 people in the deadliest blasts since a truck bomb killed more than 500 people at…