On Friday, US drones killed 34 at an Afghan funeral. US officials claimed they were all terrorists but the locals on the ground disagreed. Will family members of those killed seek revenge on the US? Over the weekend, CIA director John Brennan admitted that this kind of blowback could be a problem for the US. As he put it, "sometimes our engagement and direct involvement will stimulate and spur additional threats to our national security interests." Today's Liberty Report takes a look at these two important events together to see how the first and second are intimately related: