What a crowded congressional primary in N.J. says about the state of Democrats

Shown from left are Tom Malinowski, Analilia Mejia and Tahesha Way, some of the 11 Democrats on the ballot in New Jersey

The contest is one of the first congressional primaries of the year where we will find out what issues are currently resonating with some Democratic voters.Here are some key things to know.

(Image credit: Spencer Platt/Getty Images; Alex Wong/Getty Images; Chris Pedota/USA Today Network via Reuters)