"Thursday's Must-Knows: 7 Key Insights for July 13"

A heatwave is sweeping across the world, with nearly 110 million people in the US under heat alerts and temperatures expected to reach 130 degrees in the Southwest. Heatwaves have also hit Canada, Europe, and China, while ocean temperatures have surged to dangerous levels. NATO leaders have pledged to protect Ukraine from future invasions by providing military assistance. Chinese hackers have gained access to the email accounts of top US officials, including Commerce Secretary Gina Raimondo. The EPA has proposed strict new rules to remove lead dust from older buildings regularly visited by children. Some parents are attempting to ban children's picture books from schools, while the TV show "Succession" received the most Emmy nominations.