Blake Lively and Brandon Sklenar on bringing "It Ends With Us" to life

After spending 164 weeks on the New York Times bestseller list, Colleen Hoover's novel "It Ends With Us" has made its big-screen debut. Blake Lively takes on the role of Lily, while Brandon Sklenar portrays Atlas, her first love. The pair talked about their roles on "CBS Mornings."