Toxic mold can make some people extremely ill. On today's show: why toxic mold is so dangerous, and whether you should be concerned about it in your home and workplace. Also, a visit from Andre Previn, who's been focusing lately on solo jazz piano. A new novel about the troubled life of a Scottish priest. And on Backstory, find out why Albania is such a strong supporter of the US. We'll also hear more about the alternative energy package Congress has been working on.