Although President Obama has authorized air strikes and humanitarian aid for the Yazidi people fleeing from Islamic militants in Northern Iraq, he stated in a press conference yesterday that he will not re-introduce American ground troops into Iraq. Now, American Yazidi and a small group of Iraqi Yazidi that served as interpreters for the U.S. Army in Iraq are in Washington lobbying for immediate US military intervention. The BBC’s Barbara Plett Usher has the story.