How the radical Left turned America’s cities into “slums” | Michael Shellenberger interview

San Francisco is situated at the heart of America’s tech boom. Yet according to this week’s guest, much of the city looks like a slum. Homelessness is rampant. Drug use is soaring and violent crime continues to rise. To find out what is happening to America’s most progressive cities Steven Edgintin is joined by the environmentalist and best-selling author Michael Shellenberger.