When police find DNA at a crime scene, the amount and how it's handled are crucial components in solving a case. Greg Hampikian, Director of the Idaho Innocence Project, discusses the use and misuse of DNA analysis, and why he says all DNA evidence is not created equal.
Up next, the biology of raptors, moving from giant animals to the birds, we're going to talk about here in Boise. Just outside of town is the Snake River Birds of Prey National Conservation Area. And that park has one of the highest concentrations of nesting raptors in the world, more than 20 different birds of prey, including golden eagles, red-tailed hawks, screech owls.
Cheatgrass, an invasive weed, is choking out native sagebrush in the Great Basin--and setting the stage for hotter, more catastrophic fires there. Jen Pierce, an expert on ancient fires, and Mike Pellant, of the Great Basin Restoration Initiative, talk about how fires are reshaping landscapes in the American West.
Less than six weeks to go and President Obama seems to have opened up a lead in the battleground states of Ohio, Virginia and Florida. Aside from poor economic numbers and worsening international events, Mitt Romney's best hope lies in the debates, which begin next week. Also to no one's surprise — and Sen. Claire McCaskill's delight — Todd Akin stays in the Missouri Senate race.
Join NPR's Ron Elving and Ken Rudin for the latest political news in this week's roundup.