Hillary Clinton's campaign tweeted a chart that will make math majors cringe

Democratic presidential frontrunner Hillary Clinton's campaign attempted to make an interesting point about gun regulations on Friday. It ended up tweeting out an incredibly poorly designed and ultimately confusing chart. The chart appears to be based on the idea of a Venn diagram, a very common chart used to illustrate the overlap between two sets. Clinton's campaign seems to be trying to argue that there is a big overlap between gun owners and Americans who support background checks for gun pu...