What is the Contra Costa County Board of Supervisors?

There are 58 counties in the State of California and every one of them has a Board Supervisors. But... why? What power does this board have and what does it do? Are county supervisors full-time positions? How do they relate to the city councils? These are the questions my neighbors peppered me with one sunny… Continue reading What is the Contra Costa County Board of Supervisors?