From the removal of Christopher Columbus outside Coit Tower to the toppling of Father Junipero Serra, Francis Scott Key and Ulysses S. Grant in Golden Gate Park, the city's not-so-progressive statues are sparking controversy. Plus: a listen to TotalSF's tribute to legendary Chronicle science writer David Perlman, who died this week at the age of 101. | Get full Chronicle access: sfchronicle.com/pod

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