Eternal badass Gerard Butler is something of a one-man army, and now he's set to star in the action thriller Kandahar, which will reunite him with Ric Roman Waugh, the director of Angel Has Fallen and Butler's upcoming movie Greenland. Waugh will direct from a script he co-wrote with former military intelligence officer Mitchell LaFortune, and the story is based on LaFortune’s experiences at the Defense Intelligence Agency in Afghanistan during the time of the Edward Snowden leaks. Butler will star as Tom Harris, an undercover CIA operative working in the Middle East when his …