Latest news on Iran deal as Israel and Hezbollah appear to reach ceasefire

Multiple diplomats tell CBS News that Israel and Hezbollah have agreed to a ceasefire in Lebanon after a tense period of fighting that could have jeopardized the U.S.-Iran agreement and subsequent process to reach a deal. CBS News' Imtiaz Tyab reports, and Mark Cancian, a senior adviser for the Defense and Security Department at the Center for Strategic and International Studies, joins with more insight.