INDIANAPOLIS (AP): Tax experts and conservative thought leaders who tangled with all manner of esoteric tax questions last week also debated a more philosophical question: How do you win the public's trust? The question was floated last week at Governor Mike Pence's tax summit by Indiana Fiscal Policy Institute President John Ketzenberger. Well-known tax opponent Grover Norquist said the public often is wary of a tax hike being slipped into any tax reform effort.