Roku told its 51 million users that the YouTube TV app could disappear because of a contract dispute with Google. Source

On Tuesday the Academy of Motion Picture Arts and Sciences will announce this year’s Academy Award nominations. Our critic David Edelstein offers a sneak peek at who should be in the running. Source

As the Fonz on the classic TV comedy “Happy Days,” Henry Winkler played America’s most famous teenager. A little-known fact about Winkler is that he was dyslexic – so dyslexic he could barely read. Now at 71, Winkler is co-creator of a popular series of children’s books featuring a fourth-grader who similarly has trouble reading. Mo Rocca talks with Henry Winkler and his wife, Stacey, and also joins them in a pastime that has got them both hooked: fly-fishing. Source

A new movie dramatizes how a visionary milk shake mixer salesman turned the McDonald brothers’ fast-food restaurant into a franchise powerhouse. Ben Tracy interviews Michael Keaton and John Lee Hancock, the star and director of “The Founder.” Source

By utilizing a basic principle of optics once used by Renaissance artists like Canaletto and Vermeer, photographer Abelardo Morell builds a “camera obscura” with which to capture landscapes and architectural wonders. Serena Altschul reports on how Morell’s fascinating photographs really bring the outside in. Source

In this web exclusive, the actor talks with Mo Rocca about how dyslexia affected his performance as the Fonz on the classic 1970s sitcom “Happy Days.” Source

Washington has long been home to incredible music. But for the past 35 years, one concert venue has been the heart of Washington D.C.’s live music scene: the 9:30 Club. Anthony Mason takes you on a tour of the legendary venue. Source

The president has taken his first step toward fulfilling one of his biggest campaign promises: repealing and replacing the Affordable Care Act. He signed an executive order allowing federal agencies to change or delay parts of the law. CBS News congressional correspondent Nancy Cordes and Ezra Klein, editor-in-chief of Vox.com, join “CBS This Morning: Saturday” to discuss the future of Obamacare. Source

The extra weight of heavy electric car batteries may help keep drivers and passengers safer, too. Source

As a new president moves into the White house, Anthony Mason looks at the history of the presidential portrait. Source