Boko Haram hinders Nigeria's development, US says Boko Haram's brutal Islamist insurgency has stalled Nigeria's development, inflamed ethnic tensions and raised concern among its neighbours, a senior US diplomat said Thursday at the start of bilateral security talks. Wendy Sherman, US under-secretary of state for political affairs, said the United States was ready to help Nigeria "develop a multi-faceted strategy" to contain the violence, but warned that a military crackdown alone would not work. Images and soundbites