back home in the united states and talking about the ordeal in an iranian prison. two hiking companions including her iffiancee are still iran's prisoners. she joins us live just ahead. hurricane warnings in effect as tropical storm matthew gains strength and preparing to make landfall. our rob marciano has developments on where the storm is headed. am fix blog up and running. join the conversation at cnn.com/amfix. iranian's president mahmoud ahmadinejad thinks it's time for the u.n. to launch an independent investigation of the 9/11 attacks. the iranian leader telling the u.n. general assembly yesterday that the u.s. was behind it and that the whole world agrees. >> and that was tough to take for the delegates from the united states and europe. one by one they stood up and left the hall in protest. jill dougherty is following it