After two bombs went off at the finish line of the Boston Marathon Monday, leaving three dead and injuring more than 140 people, actor and comedian Patton Oswalt, like millions of others, took to social media to respond to the tragedy. Unlike most other responses however, Oswalt's quickly went viral. Oswalt wrote on his Facebook page: "I remember, when 9/11 went down, my reaction was, "Well, I've had it with humanity. But I was wrong. I don't know what's going to be revealed to be behind all of this mayhem. One human insect or a poisonous mass of broken sociopaths." Oswalt, 44, is best known as the voice of Remy in the 2007 animated film "Ratatouille" and for his role in the FX hit series "Justified." Speaking of Monday's events, Oswalt continued: "But here's what I DO know. If it's one person or a HUNDRED people, that number is not even a fraction of a fraction of a fraction of a percent of the population on...