don't let them disturb you. please continue to fight for us. see, they understand that this is a witch hunt. >> ben carson is expected to speak again shortly. we're going to bring that to you as it happens right here on "cnn tonight." plus pyramid scheme. candidate carson is wrong about the pyramids but does the surge in the poll show voters don't care? we have a lot going on tonight but i want to begin with the stunning breaking news. the deadly crash of a plane full of tourist was not an accident. they believe evidence on the plane's black boxes confirms that the plane was brought down by a bomb. and tonight, we have a new video from isis claiming responsibility. let's discussion with rene marsh, safety analyst david soucie and author of "malaysia 370" and cedric lateen. a new isis video claiming responsibility. what do you know? >> isis claimed responsibility