This weekend I have experienced the full power of the slogan t-shirt. An item of clothing that Iwould never wear under normal circumstances, the slogan t-shirt is a modern classic, immortalised by Katherine Hamnett designs in the 1980’s. Who could forget Wham wearing ‘Choose Life’ tees whilst singing ‘Wake me up before you go go‘, or ‘Frankie says relax’ tees that were worn by everyone, including my 6 year old sister, totally in ignorance of the controversy behind Frankie goes to Hollywood, and that song. Katherine Hamnett famously meet Margaret Thatcher whilst wearing her slogan tee – shirt, keeping her politics close to her chest. Slogan tees saw a revival…