Martha Raddatz reports from Israel, and Ian Pannell reports from Beirut after the Israeli military launched hundreds of airstrikes aimed at Hezbollah targets that killed nearly 500 people and wounded more than 1,000, according to Lebanese officials; Victor Oquendo has details on the chilling new evidence authorities presented in federal court about Ryan Routh, who's suspected of attempting to assassinate former Pres. Donald Trump in Florida; Rachel Scott has the latest polling in the presidential race, with narrow margins between Kamala Harris and Donald Trump key battleground states; and more on tonight's broadcast of World News Tonight with David Muir.