Platner will be her opponent:
A University of New Hampshire poll of likely Democratic primary voters shows Graham Platner with a strong lead over Janet Mills, with about 64% support to Mills’s 26%—a roughly 38-point advantage.(http://www.autoadmit.com/thread.php?thread_id=5837920&forum_id=2\u0026mark_id=5310909#49691452)
(http://www.autoadmit.com/thread.php?thread_id=5837920&forum_id=2\u0026mark_id=5310909#49691483)