As the Syrian army has stepped up its attacks against opposition strongholds in Homs and elsewhere, the U.S. and its allies have achieved little consensus in choosing a course of action to oust President Bashar al-Assad.
The United Nations, which remains politically deadlocked over the drawn-out crisis in Syria, has hit another roadblock, this time over humanitarian assistance to the thousands of men, women and children caught up in the 11-month-old conflict.