MANILA -- Philippine President Rodrigo Duterte is doubling down on efforts to win over the country's tycoons, as he seeks to drum up political support for an ambitious campaign to rewrite the constitution.
Philippine leader once threatened oligarchs but now needs their support

Philippine President Rodrigo Duterte's tax reform package is expected to yield a windfall for conglomerates -- the country's top taxpayers.
MANILA -- Philippine President Rodrigo Duterte is doubling down on efforts to win over the country's tycoons, as he seeks to drum up political support for an ambitious campaign to rewrite the constitution.