A powerful heatwave has gripped the southwestern U.S. this weekend with roughly 53 million Americans facing excessive heat warnings -- and much of the nation is in its path this week. Record temperatures were recorded in Phoenix (114 degrees F), Las Vegas (109), Denver (100). and California’s Death Valley (122). The heat wave is expected to move east beginning Monday, according to meteorologists, threatening power outages and water shortages across the U.S. 

OTHER NATIONS SEEING BIG IMPACTS FROM CLIMATE CHANGE

Former President Donald Trump's campaign manager and former election officials from Atlanta and Philadelphia will testify starting at 10 a.m. ET Monday to the congressional committee investigating the Jan. 6, 2021. The House of Representatives Select Committee's second of six public hearings will focus on Trump's contention that his defeat by Democrat Joe Biden in the November 2020 election was due to unfounded allegations of election fraud, the so-called "Big Lie."

CHECK OUT THE WITNESS LIST FOR TODAY'S JAN. 6 HEARING

The restaurant that launched McDonald's in Russia in 1990, heralding Moscow's opening after decades of Soviet rule, reopened Sunday with a new name and logo in a potent reminder of the upheaval sparked by the conflict in Ukraine. The U.S. fast-food giant announced on May 16 that it would exit Russia in the wake of its Ukraine offensive. In Moscow on Sunday, dozens lined up to get a taste of the first "Vkusno i tochka."

SEE HOW THE NEW RESTAURANT COMPARES TO MCDONALD'S

What is the English translation for Russia's "Vkusno i tochka" chain?

Friday's answer: The first published reference to the term “UFO” was in the 1953 book "Flying Saucers from Outer Space" by Donald Keyhoe.