There’s hashtag activism, and then there’s actually figuring out how to rescue the Nigerian girls kidnapped last month by the Boko Haram. The latter is proving difficult and is revealing the limits of American power and the tensions in Washington’s relationship with Nigeria.There’s hashtag activism, and then there’s actually figuring out how to rescue the Nigerian girls kidnapped last month by the Boko Haram. The latter is proving difficult and is revealing the limits of American power and the tensions in Washington’s relationship with Nigeria.