The Middle East is on edge as Israel prepares for a possible ground operation in Lebanon. Meanwhile, the US and France, among others, are working feverishly on a ceasefire plan between Israel and the militant group Hezbollah. Israeli Prime Minister Benjamin Netanyahu is expected to address the UN General Assembly on Friday, and signals no such restraint. Correspondent Ben Wedeman joins Christiane from Tyre, Lebanon?

Also on today's show: Kenyan President William Ruto; Iran's Vice President for Strategic Affairs Javad Zarif; former NIH Director Francis Collins?