Extreme heat kills hundreds and millions more are sweltering worldwide. What does the heatwave mean for the rest of the summer in the Northern Hemisphere? Somalia tries to slow down the withdrawal of African peacekeepers and avoid a security vacuum. And Ferrari will launch its first electric vehicle next year, with a price tag of more than $500,000.   Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices