You've probably seen it on Facebook: "Kony 2012," a campaign by an organization called "Invisible Children," intended to raise awareness of atrocities happening at the hands of militia leader Joseph Kony in Uganda. 

He's been behind kidnappings, killings and mutilations of thousands of people, many of them children.  And it’s been going on for decades.

If you haven’t seen the video, check it out.

What do you think?