In Syria, a Cease-Fire's Failure Casts a Long Shadow

It seems as though there is only so much a brokered cease-fire in Syria can actually achieve. On Sept. 19, mere hours after a weeklong cessation of hostilities ended, an aid convoy -- coordinated by the United Nations, bearing the requisite permits to venture into rebel territory -- was bombed in western Aleppo province, likely a result of an errant strike from Russian or Syrian warplanes. The United Nations quickly called off the delivery of any additional humanitarian aid, and in doing so called into question the likelihood that anyone in Aleppo will get the help siege warfare typically does not afford....