Dow Closes Down Almost 1,000 Points in Worst Stock Market Day in Two Years; Europe Down About 4%; Wall Street Calamity Triggered by Explosion of Coronavirus in Italy, Iran, and South Korea; World Health Organization Still Refuses to Declare This the Belt and Road Pandemic: Is WHO Leadership Bought Off by Xi?; Trump Dons Rose-Colored Glasses, Stalls on Informing US Public Because He Fears Costly Backlash from Chinese Communists