Bear country: Grizzly Gulch, a naturalistic habitat dedicated to grizzly bears, has opened at the San Francisco Zoo. [10 a.m. to 5 p.m., 47th Avenue and Sloat Boulevard]
Who’s in town
Tina Brown, former editor of The New Yorker, speaks at a luncheon benefiting the National Kidney Foundation. Brown’s new book is “The Diana Chronicles.” [Noon, Omni Hotel, 500 California St.]
City activities
‘Best’ bet: San Francisco Magazine’s Best of the Bay Area Party features food and drink, entertainment and dancing. Proceeds benefit Family House. [7 to 11 p.m., Concourse Exhibition Center, 635 Eighth St.]
Bad girl: Barbara Stanwyck misbehaves in “Baby Face” (1933) and “Remember the Night” (1940), which screen as part of a series saluting the actress. [7 and 8:45 p.m., Castro Theatre, 429 Castro St.]
Literary events
Julia Glass: The National Book Award recipient celebrates the paperback release of “The Whole World Over.” A dessert bake-off pays tribute to Glass’ Greenie character. [7 p.m., Books Inc., 3515 California St.]
Rose Marie Beebe and Robert M. Senkewicz: The authors and early-California experts discuss “Testimonios: Early California Through the Eyes of Women.” [7 p.m., Presidio Officers Club, 50 Moraga Ave., in the Presidio]
Lectures
Francis Fukuyama: The philosopher, economist and author gives a talk titled “The End of History Revisited.” [7:30 p.m., Cowell Theater, Fort Mason Center]
Susan Shirk: The Asia-affairs expert and former U.S. State Department official gives a talk titled “China’s Internal Dilemma: The Challenges of Rapid Socioeconomic Change.” [6 p.m., World Affairs Council, 312 Sutter St.]
At the public library
Youth Poetry Workshop: WritersCorps conducts this teen-geared program. [4:30 to 6:30 p.m., Bayview Branch, 5075 Third St.]
‘Lizard Lady’: Teressa Killeen shows some of her reptile friends in this program for ages 3 to 5. [2 p.m., North Beach Branch, 2000 Mason St.]
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