In this Sept. 22, 2016 file photo, Syrian government buses evacuate residents from Al-Waer, the last rebel-held neighborhood of Homs, Syria. The battle for Aleppo has gripped the world, but it is hardly the only active front across Syria. One of the next targets for the forces of Bashar Assad will probably be the heartland of rebel territory, the neighboring Idlib province. (AP Photo, File)