Once around:

• Child advocate and former L.A. first lady Nancy Daly Riordan guests with Laurel Erickson on a special edition of KNBC News Conference, airing Saturday at 4 pm.
• Councilman Ed Reyes talks about growing up in Cypress Park, and journalist Marc Haefele recounts how he failed to convince his bosses at Doubleday to buy the rights to 2001: A Space Odyssey, on KPCC's "Off-Ramp," Saturday at noon.
• Metromix editor Deborah Vankin talks about the future of print and listings and other media questions on KPFK's "Deadline L.A.," Saturday at noon.
• KCRW has added a weekly entertainment segment, The Business Brief with Matt Holzman, Mondays at 4:44 pm.
• Times consumer columnist David Lazarus guest-hosts for Larry Mantle on KPCC's "Airtalk," Monday 10 am to noon.
• Jonathan Kirsch hosts a "Politics of Culture" roundtable about fake memoirs, with Sara Nelson of Publishers Weekly, David Ulin of the L.A. Times and author Judith Freeman. Tuesday 2:30 pm on KCRW.

LA Observed on KCRW: My segment today is devoted to the upsurge in murder and this week's powerful Op-Ed by the Long Beach trauma surgeon who couldn't save an 11-year-old shooting victim. 4:44 pm on KCRW, on the web or on iTunes.