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The enduring popularity of artist Bob Ross

In the 1980s and ‘90s Bob Ross hosted the public television series “The Joy of Painting,” until his death in 1995 at age 52. But ever since, the artist’s instructions in how to paint “happy little trees” have only grown more popular. Correspondent Lee Cowan looks back at the canvas of Ross’ career and the big picture of his life lessons.

Marilyn McCoo and Billy Davis Jr. continue to let the sunshine in!

Correspondent Nancy Giles goes up, up and away with two of The 5th Dimension’s founding members, Marilyn McCoo and Billy Davis Jr., whose music brought joyful harmonies to the tumultuous ‘60s and ‘70s, and who will soon release their first studio album in nearly three decades, “Blackbird: Lennon-McCartney Icons,” featuring classic Beatles love songs.

The danger of avalanches

In Western states this winter’s weather has produced snowpack conditions that are making avalanches even more threatening than usual. Correspondent Serena Altschul talks with experts about the conditions that create avalanches and how to make wise choices in the backcountry.

Sunday Profile: LeVar Burton

When LeVar Burton switched his career ambitions from the seminary to the stage, his first audition was for the TV miniseries “Roots,” which brought him instant fame as the enslaved Kunta Kinte. Since then the actor became renowned for his role in “Star Trek: The Next Generation,” and as host of the PBS literacy series “Reading Rainbow.” Correspondent Mo Rocca talks with Burton about the broad sweep of his career, including his podcast, “LeVar Burton Reads.”

Ellen Pompeo on the future of “Grey’s Anatomy”

For 17 seasons actress Ellen Pompeo has starred in the longest-running primetime medical drama on American TV. But now her character on “Grey’s Anatomy,” Dr. Meredith Grey, has been diagnosed with COVID-19. Will she, and the show, survive? Correspondent Tracy Smith reports.