If Myanmar's Rohingya are the 21st century's rallying cry of the Muslim world, the Kurds could be one of its major fault lines.

Disputes over territory, power and resources between and among Sunni Muslims, Shiites and Kurds fueled the rise of Islamic State in Iraq. It's no real surprise that the Kurdish issue is now resurfacing with IS' presumed demise.

"All the writing is on the wall that there will be another ISIS," said former Iraqi Foreign Minister and Kurdish politician Hoshyar Zebari, referring to the group by another of its acronyms.