Hillary Clinton joins President Obama on stage at DNC

Democratic presidential nominee Hillary Clinton joined President Barack Obama on stage after he gave a speech at the Democratic National Convention. Democratic nominee Hillary Clinton surprised the audience at the 2016 Democratic National Convention in Philadelphia by joining President Barack Obama on . Hillary Clinton | Joining Barack Obama On Stage After His Speech [Democratic National Convention] Hillary Clinton's campaign spokesperson, Karen Finney, joins MSNBC's Chris Hayes to discuss the DNC email scandal and also weighs in on President .