 Emhoff's office says he's staying away from others at home and working remotely. The vice president was tested this weekend as a precaution and was negative. She's expected to campaign Tuesday in Las Vegas. I'm Jackie Quinn. A visitor to Death Valley National Park has died from heat exposure and another person has been hospitalized as the temperature there has reached 128 degrees this weekend. More on these stories and more at townhall.com. I'm Ron Taylor.