 This is CBS News on the Hour, sponsored by Progressive Insurance. I'm Heather Bosch. Searing heat takes a life in California's Death Valley National Park. The park says one person died and another is hospitalized. More from CBS's Carter Evans. It was a group of six motorcyclists and they were all riding through Death Valley there and it's extremely hot. I mean, this is the day when they've got those record temperatures of 128 degrees. So there are six of them. There