A little journalistic history, which is new to me:
The Spanish-American War is often referred to as the first "media war." During the 1890s, journalism that sensationalized—and sometimes even manufactured—dramatic events was a powerful force that helped propel the United States into war with Spain. Led by newspaper owners William Randolph Hearst and Joseph Pulitzer, journalism of the 1890s used melodrama, romance, and hyperbole to sell millions of newspapers--a style that became known as yellow journalism.
The term yellow journalism came from a popular New York World comic called "Hogan's Alley," which featured a yellow-dressed character named the "the yellow kid." Determined to compete with Pulitzer's World in every way, rival New York Journal owner William Randolph Hearst copied Pulitzer's sensationalist style and even hired "Hogan's Alley" artist R.F. Outcault away from the World. In response, Pulitzer commissioned another cartoonist to create a second yellow kid. Soon, the sensationalist press of the 1890s became a competition between the "yellow kids," and the journalistic style was coined "yellow journalism."