Israel may need some ground operations to achieve its target, says Brookings' Mike O'Hanlon

more hours left in this and much more to go before we know exactly what's going on. >> All right, Megan, thanks very much. Megan Cassella, let's turn now to Michael O'Hanlon.He's director of foreign policy research at the Brookings Institution. Michael. And so we are hearing from different analysts that they think this could actually be a rather drawn out affair.That's going to kind of put that on one side of the equation. On the other side, are those pointing out that the market reaction here is not outsiz ...