Poland has complained after US President Barack Obama slipped up during a ceremony to honour a dead World War II hero.<br /><br />Obama described what he called a "Polish death camp" during the posthumous award of the Medal of Freedom for Jan Karski.<br /><br />The phrasing is considered hugely offensive because of Nazi Germany's invasion of Poland, where the majority of concentration camps were set up.<br /><br />...<br />http://www.euronews.net/
