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The latest 5Across video show from PBS MediaShift is called "Politics + Social Media" and is part of an in-depth series at MediaShift on how social media is becoming in important platform for politicians and campaigns. The show includes San Francisco politician Phil Ting, political consultant Theo Yedinsky, Netroots Nation's Mary Rickles, San Francisco Chronicle reporter Marisa Lagos, and comedian and pot activist Ngaio Bealum.

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