Biden at NATO, Ukraine attacks and the Dalai Lama’s age

US President Joe Biden’s age and the threat of a second Donald Trump presidency loom over the NATO summit. Ukraine also looks to NATO as Kyiv suffers one of its worst attacks. And the Dalai Lama’s age raises concerns about his future successor and the Tibetan movement.  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