Many have youthful passions, but few follow them all the way to a Lebanese war zone. That’s where Ross Frenett first made contact with our editor, Ian Kehoe, as a young war correspondent looking for an outlet.  Frenett says he’s been fascinated by political extremism and conflict since he was a teenager. It led him to join the army, try his hand as a war correspondent. Later it led him to co-found Moonshot. Moonshot is a technology start-up focused on online political extremism. It tracks it, analyses it, and it tries to fight it.  It fights extremism in the same…