Episode 173

After 24 hours of extreme weather, Stephanie Ramos has details on the powerful storms tearing through much of the Northern Plains with more than a dozen tornadoes reported, and Lee Goldberg tracks it all out; Victor Oquendo reports on the mysterious "fireball" seen streaking across the sky in the Southeast; David Muir remembers the life and legacy of Lalo Schifrin, an Oscar-winning film composer best known for writing the 'Mission: Impossible' theme and scoring over 100 movies; and more on tonight's broadcast of World News Tonight with David Muir.