A divided audience packed the Alameda County Board of Supervisors meeting on Friday, as the board adopted a policy that discourages the county from investing in companies with poor human rights practices, among other things.  But the motion also called for delaying implementation of the Ethics Investment Policy until the board’s Finance Committee reviews it. That prompted Supervisor Nikki Fortunato Bas to cast the lone vote against it, saying she supported the policy without the stipulation. “This is incredibly disheartening and…