CBS News Sunday Morning Season 49 Episode 8 Seymour Hersh, Rose Byrne

WITNESS TO HISTORY – Lesley Stahl of 60 MINUTES talks with journalist Seymour Hersh, whose many scoops include exposing the My Lai Massacre and its cover-up during the Vietnam War, about his work and a new Netflix documentary on his life.

THE ENVELOPE PLEASE ... ROSE BYRNE – Tracy Smith chats with Oscar-nominated actor Rose Byrne ("If I Had Legs I'd Kick You") about the nomination and more.

UNSUNG WOMEN – Mo Rocca talks with CBS News senior correspondent Norah O'Donnell about her new book, We the Women: The Hidden Heroes Who Shaped America, featuring untold stories of the women who were central characters in America's history.

ON DISPLAY – Nancy Giles visits the Studio Museum in Harlem, which recently reopened after a major renovation.

THE WINTER GAMES – Seth Doane takes a look at the highs and lows of the Winter Olympics in Italy.

PAST, PRESENT ... FUTURE? – Dr. Jon LaPook reports on the history and current status of polio.

TOFU – In honor of the Lunar New Year, Luke Burbank tastes tofu, a nutrient-rich staple of Asian cuisine that has found a home in America.

REV. JESSE JACKSON – Mark Whitaker looks at the life and legacy of the late Rev. Jesse Jackson, who died this week at 84.