“Carlos always pushed me and other journalists to do more stories that showed the human side of China,” Ms. Yuan wrote. “He wanted the world to understand China wasn’t just about an authoritarian government.” Carlos Ramon Tejada was born on Dec. 7, 1972, in Rochester, N.H. His mother, Carlene (Richardson) Tejada, taught English as a second language and is a former magazine editor; his father, Juan, who is from El Salvador, owns an acupuncture clinic in Tucson, Ariz. Mr. Tejada graduated from the University of Kansas with a bachelor’s degree…