the fact that this has been tried several times before and each time it doesn't work. i mean, unless israel were to go in and reoccupy gaza, clearly hamas and other extremist groups can rearm themselves and apparently very well in the subsequent years in between these flare-ups and there's the fact of what mr. byrnebaum was saying they don't have any surface-to-air missiles all. these are unguided surface-to-surface rockets. they don't pose any threat to any aircraft. >> there's been great concern about the situation ramping up, more deaths on each side. we also know that secretary of state john kerry is said to be trying to broker a cease-fire. are you feeling confident there's any possibility of that? >> i wouldn't use the word confident. i'm hopeful and i'm not hopeful in the next 24 or 48 hours, but i'm hopeful that by the end of the week or weekend, we could