 Most of the Western U.S. is facing excessive heat warnings, but the dangerously high temperatures extend all the way to the East Coast. It was so hot in New York City, the Third Avenue Bridge to the Bronx expanded too much and got stuck open. And in Oregon, authorities are investigating four deaths they say could be related to the oppressive triple-digit temperatures. Check in on your neighbors and your friends and your family members. In Las Vegas, about half the patients in the burn unit at University Medical Center are being treated for