this is world news now with john muller and diana perez. hello, everybody, on this thursday. look who made it back. i m back. here i am. how was it? how was your time? a great vacation. i went out west. i was in the mountains of lake tahoe, in san francisco for a while. when i got on the plane tuesday in san francisco, it was 68 degrees. when i get back to the east coast, it s 96 degrees. and the heat is getting worse and worse. the only place that wasn t hot in the whole country. you escaped it for a little while. a couple days. we re glad to have you back. i m glad to be here. and i have to say, i d normally say, you have a tan but you don t even have a tan. i wore my sunscreen. i was a good boy. it was very foggy in san francisco, so you didn t get a whole lot of sun. but you had a great time. i had a great time. should we get right to it? let s do it. more americans know this miserable heat firsthand today. we re going to get a heat wave that s j