ProPublica analyzed thousands of fake and hijacked Twitter accounts to understand how covert Chinese propaganda spreads around the globe. Kalen Keegan, a college student at the University of Nebraska Omaha, immediately noticed when her Twitter account unleashed a torrent of posts in Chinese. “My other account got hackedðŸ‘ðŸ½,” the soccer player posted on a replacement account. The new author tweeting as @Kalenkayyy had strong views on geopolitics — all aligned with the Chinese Communist Party. It was obsessed with the protests in Hong Kong, offered uncritical praise of the Hong Kong police and accused demonstrators of fomenting a “color revolution”...