Twitter was recently hit with what appeared to be a coordinated spam campaign obscuring information about protests in China. Searching with any Chinese city name on the social media app showed a cascade of spam tweets with porn and gambling content. This made it difficult to obtain legitimate protest-related tweets. Democratic lawmakers of the House Intelligence Committee have now demanded answers on this from Twitter CEO Elon Musk. For the uninitiated, thousands of people across several major cities in China took to the streets in late November to protest against the extended COVID-19 lockdowns in the country. The protests began…