The Wall Street Journal China’s Heavyweight Coast Guard Ships Bring Muscle to Sea Disputes — Two 541-foot vessels expand branch’s role as enforcer of Beijing’s claims from South China Sea to Taiwan. T-Mobile Hacked in Massive Chinese Breach of Telecom Networks — Carrier joins growing list of known victims, including AT&T and Verizon, of the major Chinese spying operation. How the Maker of Nerf Guns Will Navigate Trump’s Tariffs on China — President-elect’s potential