AP Photo/Richard Drew Fox News host Sean Hannity interviews Donald Trump, Jr. A s we learn more about how Russia used social media as part of its campaign to help elect Donald Trump, what stands out is how easy it was. Spend $100,000 on Facebook ads , create a bunch of Twitter bots , and before you know it you've whipped up a fog of disinformation that gives Trump just the boost he needs to get over the finish line. Even if it's almost impossible to quantify how many votes it might have swayed, it was one of the many factors contributing to the atmosphere of chaos and confusion that helped Trump get elected. As new as it might seem, this is just the latest manifestation of a broader problem that goes back a long way, one of the degradation of truth, a conservative electorate taught to disbelieve what's real and accept whatever lunatic things their media figures tell them, and liberals who can't figure out how to respond. In the latter, I don't exempt myself. I've been thinking...