I'm a physics undergrad: his notion is correct :P
639 karma · joined October 5, 2012
Perhaps what changed between the past and today is the shift in focus from an 'inner' jihad to an 'outer' one. Militants justify their violence with the chaotic events of the last century; these are perceived as oppression, much of it due to western countries.
For more on the concept of Jihad: http://en.wikipedia.org/wiki/Jihad