Ballpark sleepover: The Giants play the Padres and host their fifth annual Slumber Party. [Game at 12:35 p.m., party at 6 p.m.; AT&T Park, 24 Willie Mays Plaza; call (415) 972-2361 for party tickets]

Who’s in town

John Bruton, the former prime minister of Ireland and current ambassador of the European Union to the United States, gives a talk on trans-Atlantic trends. [6 p.m., World Affairs Council, 312 Sutter St.]

City activities

Portraits of Africa: Works by 22 photographers from the 2005 Bamako Biennale are on view in the museum exhibit “Lens on Life: From Bamako to San Francisco.” [11 a.m. to 6 p.m., 685 Mission St.]

Stanwyck double bill: “Ladies They Talk About” (1932) and “The Lady Eve” (1941) screen as part of a series celebrating screen legend Barbara Stanwyck. [2, 3:45, 5:10, 7, and 8:30 p.m., Castro Theatre, 429 Castro St.]

Literary events

Frank Deford: The sportswriter and screenwriter discusses “The Entitled.” [5:30 p.m., Borders Books, 200 King St.]

Tom Hayden: The antiwar activist and former state legislator reads from “Ending the War in Iraq.” [7 p.m., Booksmith, 1644 Haight St.]

Lectures

Rick Kushman and Hank Beal: The wine experts and authors share the insider’s way to make the most of a Napa Valley wine-tasting trip.

[6 p.m., Commonwealth Club, 595 Market St.]

‘Rome Eternal City’: History series, with professor Roy Willis, features a lecture titled “Scared Splendor: The Rome of the Popes.” [7 p.m., Museo ItaloAmericano, Building C, Fort Mason Center; RSVP: (415) 673-2200]

At the colleges

Isadora Alman: The sexologist conducts a women’s health talk titled “What Your Mother Never Told You: Advanced Birds and Bees.” [Noon, UCSF, Herbst Hall, 1701 Divisadero St.]