Keith should resign as she seeks more endorsements, campaign funding etc. She should not have been mayor to begin with, having struck a deal with Fergusson (the other self promoter on council) and Cline (who got a second term as mayor as a result).
So Keith say good-by to Menlo Park as mayor; let us have a full Mayor who has Menlo Park's interests at the forefront, rather than your own personal attempt to reach to high political office.