With Terminator Salvation - a film on which The Science & Entertainment Exchange did a consult - hitting theaters this weekend, it’s hard not to get excited about watching John Connor staving off the impending destruction of humanity in the fourth installment of the franchise. But, let's not completely take this action film at face-value. The latest Terminator movie releases in a very different era than did its predecessors. Starting in 2007, robots actually did start carrying guns in Iraq. More and more, we are outsourcing risky combat assignments to machines.