When it comes to fighting for a cause, some may picture protestors chaining themselves to machinery or going on hunger strikes. But a former journalist in Kansas fought a proposal for saltwater injection wells in a different way: she read a lot of documents and examined the tiny administrative details. Then: two area researchers on how dogs and humans became friends, then an encore presentation of how a local musician found one family's long-lost Christmas tape at a thrift store. Guests: Cindy