There are overlaps, even between jihadists and nationalists as both emerged from a sense of the necessity of violence to produce political change.
You should fight against ISIS the way governments fought against Marxist rebels: by designing a counter-revolutionary counterinsurgency.
Are there any lessons learned in 2015 we should follow in 2016 to better address the ISIS threat?
The current political situation in Europe is extremely fragile. On the one hand, there is Russia pursuing its divide and rule policy in the EU. On the other hand, there is ISIS playing its anti-western games as well.
After the triple attacks in Tunisia, Kuwait and France, should we expect more attacks from ISIS?