Obama has spent much of his term withdrawing the US from quagmires abroad. But now, in the battle against Islamic State extremists, he has a war of his own. His plan of attack, though, is filled with uncertainties and America's ultimate goal remains unclear The City of Rabbits. That is the bucolic alias once attached to the Syrian town of Marea. But it is no longer in use. Now, one of the most important frontlines in the war in northern Syria runs through the town. Some 5,000 rebels have established themselves in the potato fields surrounding Marea in an effort to stop Islamic State jihadists from continuing their advance on Aleppo. Thus far, they have been successful -- thanks largely to assistance from the US. In Marea, an American-supported rebel command center coordinates the rebels' defense. The entire front is divided into sectors, which are each under the control of a single group. They have names like "Defenders of the Faith," "Islamic Fron...