China broadcast its might on Wednesday. Tens of thousands of spectators in Beijing looked on as the People’s Republic unveiled laser weapons, nuclear ballistic missiles, and giant underwater drones alongside armored vehicles, tanks, and parading soldiers whose marching prowess put the rest of the world to shame. Some 26 world leaders, including Russia’s Vladimir Putin and North Korea’s Kim Jong Un, joined Xi Jinping as onlookers. The highly choreographed spectacle comes two days after Xi