in this part of the world, whatever your background, bread is a vital, essential, fundamental and deeply respected staple. and mornings in tehran countless bakeries like this one turn out as much as they can. oh, man. it smells good in here. you have to stand in line. no problem. standing on line is a daily part of life for many iranians. they bake these on small stones. gives it the textures. that s why it s called tahdig. stone, pebble. in years since the 79 revolution, iranians have weathered wars, sanctions that have caused the economy to sputter. ....