Political artist Ottmar Hörl captured headlines far away from his hometown of Nuremberg in 2009 when he created garden gnomes performing Nazi salutes. And now he’s back to making what he hopes will be another controversial statement. In honor of Karl Marx’s 195th birthday, Hörl has spread out 500 plastic figurines of the famous thinker in Trier, the western German city near the border with Luxembourg where Marx was born. … … “I want to inspire pedestrians to think about Karl Marx in a different way,” Hörl explains while his installation is being set up next to Trier’s historic Roman...