right now pressure mounting on san francisco's d.a. to release the tapes of the deadly walgreens shooting. the emotional calls of city hall right now. >> release the tapes now however you need to do it. >> the actions city supervisors are taking tonight. how a fiery tragedy more than 40 years ago led to new rules about what can and cannot be transported on bay area roads. and get this, it is not your average vending machine. this one just installed on the bay area college campus doesn't dispense caffeine or candy, but it could save lives. so the pressure is mounting on san francisco d.a. brooke jes torease evidence in the killing of banko brown. he