 After the meeting, New Jersey Representative Mikey Sherrill became the seventh House Dem to call on Biden to give up the party's nomination. Number two. Roughly 140 million Americans are under heat alerts today as a heat wave bakes large parts of the country, including most western states. Triple digit heat is being blamed for at least six deaths in Oregon. Meanwhile, Las Vegas is on track to set a record for the most consecutive days over 115 degrees amid the city's most extreme heat wave ever.