With the Middle East once again heating up, we take a look at one of the least talked about players: the Houthis. From Yemen they have launched missiles at Israel, brought international shipping through the Suez Canal to a virtual stand still, and all while fighting a bitter civil war. So who are the Houthis? What is Iran's role in their activities? And what options does the US have in solving this intractable problem? See omnystudio.com/listener for privacy information.