Swing voters are more appropriately known as the 'idiot voters' because they have no set of philosophical principles. By the age of fourteen you're either a Conservative or a Liberal if you have an IQ above a toaster.
Over the past 20 years I have noticed that the most flexible dynamic inquisitive minds among my students have been industrial design majors. Industrial designers are bracingly free of ideology and cant. The industrial designer is trained to be a clear-eyed observer of the commercial world - which like it or not is modern reality.