 This is America in the Morning. We look to add more cities to the triple-digit heat today. Here's AccuWeather.com meteorologist LaTroy Thornton. The western United States remains in the scorching grip of an intense long-duration heat wave with high pressure lodged in place across the southwest. Widespread high temperatures reaching 105 to 115 degrees are in store yet again from California's Central Valley and southern deserts into the usual hot spots of southern Arizona with another blistering day for Las