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The Great Debate: Should marijuana be legalized? Commonwealth Club, 595 Market, second floor, SF. www.commonwealthclub.org . 11:30am-1pm, $20. Tonight Kevin Sabet, a drug researcher who has served on the Clinton, Bush II, and Obama administrations, will debate Clint Werner, author of Marijuana Gateway to Health. The two will discuss the potential impact of marijuana on youth, driving laws, mental health, and medical industry.
"The Art of Baseball" George Krevsky Gallery, 77 Geary No. 205, SF. www.georgekrevskygallery.com . Through May 25. Opening reception: 5:30-7:30pm. See America's favorite pastime depicted by more than 40 artists from across the country in this exhibit at the George Krevsky Gallery's 16th annual "Art of Baseball" exhibition. Head over tonight for the opening reception and come back May 2 for a night of poetry, literature, music, and short films inspired by the game.
Free rock wall climbing class Lombardi Sports, 1600 Jackson, SF. www.outdooradventureclub.com . 6-7:45pm, free. RSVP required. Take a break from your usual gym routine and give the 25-foot climbing wall at Lombardi Sports a go. The free class is put on by the Outdoor Adventure Club, which provides expert instruction and gear to new and seasoned climbers.
"Hand to Mouth Comedy" The Dark Room Theater, 2263 Mission, SF. 10pm, $5–$8. A unique comedy show that asks comedians to write and perform all new material on a specific social, cultural, or political issue. This month's topic: crime. Local comedians Bucky Sinister, Kevin Munroe, Clare O'Kane, and more will add a humorous spin to a felonious topic. The evening will also include a performance by bluegrass band The Creak and a burlesque routine by Rosey Booticelli.
SF Ballet School Rotunda Dance Series SF City Hall, 1 Dr. Carlton Goodlett, SF. Noon, free. Take a lunch break and peek into City Hall for a free lunchtime performance presented by the San Francisco Ballet trainee program. The event is part of the Rotunda Dance series, put on by the Dancers' Group, an organization dedicated to helping artists produce work, build audiences, and connect with the community. World Arts West, which has supported and presented world dance artists throughout the San Francisco Bay Area for over three decades, also had a hand in the afternoon's creation.
Guardian Presents: Another World deYoung Museum, 50 Hagiwara Tea Garden, SF. www.famsf.org . 5-9pm, free. Check out our ode to the peacemaking power of drag, in homage to the "Eye Level in Iraq" photography exhibit on display at the deYoung. Radical queens Lil' Miss Hot Mess, Phatima and the League of Burnt Children, Miss Rahni, Rheal Tea, Mother Chucka, and more bring their fabulous freaky view of social change to the stage. Plus, a craft table and a panel discussion by the photogs whose work is on display in the museum.
Yellowbike Project's Upcycle Ball SOMArts Cultural Center, 934 Brannan, SF. www.sfyellowbike.org . 6pm-midnight, $10 door, presale available online. The second annual Upcycle Ball will rally cyclists from across the Bay Area to support local bicycle culture and nonprofit organizations. The evening will begin with a silent auction and workshops and finish out with a dance social with DJ Jays One.
Eileen Fisher Fashion Tips Macy's, 170 O'Farrell, SF. www.macys.com/flowershow . As part of Macy's annual flower show, fashion designer Eileen Fisher will be hosting a fashion show and behind-the-scenes event. Sip on refreshments and enjoy some snacks while you check out what's in store for fall style.
Fierce Fat Girls book signing Curvy Girl Lingerie, 1535 Meridian, San Jose. www.curvygirlinc.com . 2-4pm, $15. RSVP required. Plus-size lingerie company Curvy Girl celebrates the grand opening of its Willow Glen location with author of Hot and Heavy: Fierce Fat Girls on Life, Love, and Fashion Virgie Tovar. The author and sex educator will speak with guests while signing copies of her book.
Free hot dog day at Frankenart Mart Gallery Frankenart Mart Gallery, 515 Balboa, SF. www.frankenartmart.com . 1-6pm, free. Art and free food collide today as part of the quirky gallery's monthly tradition. Check out some sweet interactive art projects currently on display at the 200 square foot gallery and chow down on either a beef or veggie dog.
The Shout: Life's True Stories Grand Lake Coffee House, 440 Grand, Oakl. www.theshoutstorytelling.com . $5-20 donation accepted. The Shout is a monthly event where invited storytellers tell amazing but true 10-minute stories plucked from their daily lives. Audience members have the opportunity to put their name in a hat in hopes of being picked for a six-minute wild-card turn. Head over to the coffeehouse to hear stories about anything from a soft-core pore actress who stared in a sexy version of Don Quixote to a young man's discovery that he was part of the witness protection program as a child.
Lost Cat: A True Story of Love, Desperation, and GPS Technology Booksmith, 1644 Haight, SF. www.booksmith.com . 7:30pm, free. When author Caroline Paul and illustrator Wendy MacNaughton lost their kitty Tibia they thought she was gone for good. Five weeks later she came home. The two became curious as to where their cat was spending her days so they turned to technology. Join Paul and MacNaughton as they share their brief stint in the pet detective business.
Film Trivia Pub Quiz The New Parkway, 474 24th St., Oakl. www.thenewparkway.com . 7-9pm, free. Head over to New Parkway for a pub quiz that's not actually in a pub but a movie theater. Test your knowledge of movie history, famous characters, and classic film titles. Those with the highest cinema IQ will win prizes like free beer and movie passes.