Bloomberg President Donald Trump said he’s a “very stable genius” in an early Saturday tweet, a day after a new book about his first year in the White House claimed that many of his top aides and confidantes consider him unfit to hold office. “Throughout my life, my two greatest assets have been mental stability and being, like, really smart. ...

Bloomberg Lithuania’s top politicians clashed over whether to rejuvenate ties with Russia that were frozen following President Vladimir Putin’s 2014 annexation of Crimea from Ukraine. Lithuanian Prime Minister Saulius Skvernelis has recently urged resuming dialog with the Russian government, advocating talks on topics such as trade, energy, agriculture and transport, while maintaining the current stance on Ukraine. President Dalia Grybauskaite, ...

Bloomberg The first augmented-reality glasses with Amazon’s Alexa voice assistant will be shown next week at CES in Las Vegas—manufactured by a 75-employee company rather than the e-commerce giant’s growing devices division. Vuzix Corp. will show off a pair of smart glasses that can talk to Amazon.com Inc.’s voice-activated digital assistant and display information to the wearer’s field of view, ...