Why 'Tom Kean absent' is trending

<p>The Republican congressman from New Jersey is running unopposed in a primary election<strong> </strong>Tuesday, but he hasn’t been seen for months after posting on social media he was dealing with a "personal medical issue." CNN's Manu Raju explains why House Republicans are growing increasingly concerned about Kean's absence. Discover more videos, including live streams and exclusive storytelling, on our <a href="https://cnn.com/watch">Watch</a> page.</p>