Megan Bennett writes: “‘Stop the Draft!’ ‘I Like Ike.’ ‘I’m with Her.’ From the iconic to the incendiary, political messages like these have emblazoned buttons and pins since the start of US elections. Since 2012, Harvard University’s Kennedy School of Government in Cambridge, Massachusetts, has been archiving political buttons. The collection now spans thousands of items over a century’s worth of campaigns and causes. The collection has approximately 4,800 buttons and pins and 200 stickers. Most fit into one of three categories: campaigns (local and national), sociopolitical movements, and community organizations like unions.”