Today on the Brief: Grayscale launches national digital asset TV ad campaign Rough times for oil as Saudi Aramco sees 73% decline in revenue Kodak crashes as government grant paused amid allegations of impropriety   Our main conversation is a look at the latest skirmishes between the United States and China, including: U.S. sanctions on Hong Kong leaders including Carrie Lam  Retaliatory Chinese sanctions on U.S. politicians  The arrest of a pro-democracy Hong Kong media tycoon Arrest warrants issued for six foreign Hong Kong democracy advocates  President Trump signs executive orders targeting TikTok and WeChat Twitter enters the race to buy TikTok before the Executive Order ban takes effect Impact on banks, the Hong Kong stock market and Huawei