 Meanwhile, former President Trump proposing another debate with President Biden. We're learning this morning, Trump saying in a post on social media, he wants to hold a, quote, no holds barred debate to determine Biden's confidence. No response yet from the White House. Millions remain under heat advisories as a record early summer heat wave continues. Mercury topped out at 127 degrees yesterday at California's Death Valley. Visitors to the hottest and driest national park in the country are now being advised to hike.