The U.S. presidential campaigns are hoping that celebrity cameos will inspire voters – with Kamala Harris turning to Bruce Springsteen and Beyonce, and Donald Trump enlisting Elon Musk and Hulk Hogan. Republicans and Democrats work out how to reach voters in storm-torn North Carolina. And Cuba says it will keep schools closed and non-essential workers at home through Sunday as the island struggles to recover from the collapse of its power grid.   Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Find the Recommended Read 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