Legend has it that upon laying his eyes on Damascus, Prophet Muhammad refused to enter the city because he wished to only enter paradise once. And, after my trip to the city this past weekend, I can see exactly what he meant. While the Damascus city limits extend for miles and miles, the old city of Damascus is contained within ancient walls. It is a place where lattices of vines create a canopy over picturesque cobblestone streets that are lined with vendors selling colorful fabrics, barrels of sweets and spices and…