A visitor recently wrote to alert me to how the Romney campaign has been employing a series of graphics like this one to show the gap between Obama's promises and results on a number of issues.A liberal site called Upworthy, has incorrectly labeled these graphics as venn diagrams, and then proceeded to respond to them. You can see their pathetic offering here.The visitor posted a response on his blog Slapotics to Upworthy's unworthy effortI also came up with a few of my own...