The u. S. More american aid workers being pulled out of western africa where officials call this a Public Health emergency. This morning dr. Nancy snyderman is answering your questions. Ending the itching, the app that promises to keep the mosquitos away. Well find out how well it really works today, thursday, july 31st, 2013. Announcer from nbc news, this is today with matt lauer and Savannah Guthrie live from studio 1a in rockefeller plaza. Good morning everyone. Nice to have you along on a thursday morning on today. We have another busy news day today. Thats right. The crisis in the middle east continues. There are new signs this will not be coming to an end any time soon. The Israeli Military is calling up another 16,000 reservists, that brings the total to about 86,000. The death toll in the threeweekold fighting is huge. More than 1,300 palestinians, 50 israelis, 50 soldiers. This morning, israel Prime Minister Benjamin Netanyahu is vowing to destroy the tunnels with or without a