Even when ISIS is defeated, unless different groups can repair their relationship, violent extremism will remain, and peace in Iraq will stay elusive.
Every time Iran has an election, its minority groups are suddenly the centre of attention – and then they're quickly forgotten again.
Since Islam is predicated on law, variations in the interpretation of that law – along with geography and distinct legal schools – have all contributed to differences in the religion.
How far back in history does one have to go to find the roots of the so-called Islamic State? The first article in our series on the genesis of the terrorist outfit considers some fundamentals.
Attempts to build a nation out of Iraq have failed spectacularly. Why is everyone still so intent on keeping it together?
ISIS victories in Iraq do not come out of the blue; the group's military success results from a long history of tensions between Sunnis and Shia and US policies that fostered such tension.