Secular demonstrators, shown at a protest march this month in Aleppo, wave the old Syrian flag (green, white, black and red) that has become the symbol of their opposition movement. Aamir Qureshi/AFP/Getty Images hide caption

itoggle caption Aamir Qureshi/AFP/Getty Images

An Iranian woman shops at a supermarket in the capital, Tehran, on Feb. 22. International sanctions have hurt Iran's economy, but prospects for a breakthrough on Iran's nuclear program are dim as negotiators meet in Kazakhstan. Behrouz Mehri/AFP/Getty Images hide caption

itoggle caption Behrouz Mehri/AFP/Getty Images