glenn moore, kevin blackistone.nk you very much. >> thank you. >> woodruff: again, the other major developments of the day. the battle between israel and hamas raged on, with the palestinian death toll topping 100 and the white house took fire from democrats and republicans alike over a surge in migrant children crossing the border illegally. on the newshour online right now: strawberry farmers in southern california have a new best friend: math! using numerical models, mathematicians are helping growers produce more fruit with less water. see how they're doing that, on our science page. all that and more is on our web site, newshour.pbs.org. and a reminder about some upcoming programs from our pbs colleagues. gwen ifill is preparing for "washington week," which airs later this evening. here's a preview: ifill: the world is a tense place. in washington as the white house and congress trade rhetorical assaults in the middle east where israel and gaza trade real ones, and on the diplomatic front where germany pushes b