KPCC's Alex Cohen sits in for Madeleine this week. It could fill an olympic-sized swimming pool in 10 seconds flat, but a controversial tunnel project that would bring much needed water to southern California could kill off fish populations in the north. And, during one of the driest summers ever, why aren't the candidates talking about climate change? The LA City council is set to vote on a ban on all 800 medical marijuana dispensaries in the city. And then, how a few words can dramatically increase the value of a $1.25 yard-sale castaway.