Input: Relationship: 'be feature on', Argument/Subject 1: 'david', Argument/Subject 2: 'oprah'

Answer: Oprah featured Jean Chatzky , Glinda Bridgforth , David Bach as her top financial experts to create educational infrastructure in the past and Maine , her home state , last year overwhelmingly approved a referendum that established public financing of campaigns and limits on contributions and expenditures made after that date .