As global tensions rise, Colm Tóibín’s portrait of Thomas Mann reminds us how easily war, censorship and nationalism can reshape culture, writes Dr Tony Smith. AS THE WORLD again edges toward war and governments invoke patriotism to silence dissent, history offers reminders of how easily culture can become entangled with politics. Irish novelist Colm Tóibín has a remarkable knack for choosing apposite subjects and themes for his writing.