Republican Donald Trump has described US President Barack Obama as the “founder” of the Islamic State group. “They honour President Obama,” he told a rally in Florida on yesterday. “He is the founder of Isis [Islamic State]. Mr Trump also attacked his Democratic rival for the White House, Hillary Clinton, calling her a “co-founder”. She responded by accusing him of “trash-talking” the US and echoing the talking points of Russian President Vladimir Putin. Mr Trump stood by his remarks today, using a sports phrase to say Mr Obama and Mrs Clinton were the Islamic State’s “most valuable players”. The Republican presidential nominee has endured 10 days of negative headlines after a string of controversial comments.