Whakaotihia te rerenga e whai ake nei: I mahi a Rivkin hei kaitohutohu nui mo California mo Senator John Kerry i te 2004 Democratic National Convention me mo Barack Obama i te 2008 Democratic National Convention. Ko Rivkin te kaitiaki-tahi o te pūtea o California mō te kaupapa o Obama
Ko te kaupapa perehitini o te tau 2008 me tētahi o ana kaiwhakawhiwhi pūtea nui.