Steve Fuller is the Winter Caretaker of Yellowstone National Park – one of just a handful of hearty souls who remain in the wilderness long after the summer tourists have gone. He’s stuck out the solitary existence of the position for 42 years, ever since the winter of 1973. Lee Cowan reports. Source

Russian troops have been assembling near the border with Ukraine as tension rises almost 7 years after Putin’s annexation of Crimea. Source

In the first hours of questioning, Melissa Calusinski, 22, tells detectives, “I had nothing to do with it.” “I did not do anything.” The day care worker was first questioned by Lake Zurich, Ill., police detectives two days after the death of 16-month-old Ben Kingan, a toddler in her care. Source

Earlier this month, the Titans landed one of the top pass rushers in free agency in Dupree, a former Pittsburgh Steelers edge rusher who should make a big difference on a defense that managed just 19 sacks in 16 games last season. Source

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Watch excerpts from correspondent John Blackstone’s 2005 interview with actor Leonard Nimoy, who created the character of Mr. Spock on “Star Trek.” He talks about what the role meant to him and his career; about competition among the show’s ensemble cast; how fans kept the sci-fi series alive through syndication and beyond; and about his reaction to the release of “Star Wars.” Source

Beau Willimon joins “CBS This Morning: Saturday” to tell us more about the show and why it’s not about politics. Source

Nimoy, who died Friday at age 83, was best known for playing Mr. Spock on “Star Trek.” From “The Man Trap” to “The Trouble with Tribbles,” here’s a compilation of the Vulcan’s best scenes from the iconic TV show. Source

CBSN’s Vladimir Duthiers talks to Sirus XM Radio Host Julia Cunningham about the new season of “House of Cards” and the future of Netflix. Source

CBSN’s Vladimir Duthiers and Kristine Johnson have more on how Hollywood legend is being remembered. Source