Why Eileen Wang is trending

<p>The mayor of Arcadia, California, agreed to plead guilty to acting as an illegal agent for the Chinese government and has resigned from her position, officials say. CNN's Josh Campbell explains what actions Wang is accused of taking to benefit China. Discover more videos, including live streams and exclusive storytelling, on our <a href="https://www.cnn.com/watch">Watch</a> page. </p>