The most striking successes , such as Indonesia 's evisceration of the Jemaah Islamiya organization and African forces ' push against Al-Shabaab in Somalia , have only limited the reach of al Qaedism but failed to fully stem the flow of recruits to al Qaeda affiliates or squelch the ideology that underpins its festering . Andrew Liepman , Philip Mudd : Ideology-driven adversaries are hard to eliminate . Liepman , Mudd : Our confrontation with al Qaeda offers strategies on fighting ISIS . Comment: Liepman , Mudd : Fight against ISIS will take patience and careful intelligence work .
Andrew Liepman , Philip Mudd : Ideology-driven adversaries are hard to eliminate . Liepman , Mudd : Our confrontation with al Qaeda offers strategies on fighting ISIS . Comment: Liepman , Mudd : Fight against ISIS will take patience and careful intelligence work .