An expanded mission could target not just ISIS but also al Qaeda-affiliated Jabhat al-Nusra . `` Nothing is off the table completely , '' a senior U.S. official tells CNN . The White House has said it will consider any proposal that would help defeat ISIS. Such expansion likely would be seen as `` mission creep ''
An expanded mission could target not just ISIS but also al Qaeda-affiliated Jabhat al-Nusra . `` Nothing is off the table completely , '' a senior U.S. official tells CNN . Military officials make it clear the Pentagon is not anxious to undertake such strikes . Such expansion likely would be seen as `` mission creep ''