MANILA -- The Philippine election campaign officially opens on Tuesday, with two presidential children showing early advantage in the races for president and vice president.
Ten candidates for Philippine president and nine for VP are on the May 9 ballot

Philippine presidential candidate Ferdinand "Bongbong" Marcos Jr. and vice presidential candidate Sara Duterte during a rally in the Cavite Province city of Bacoor on Dec. 9. © EPA/Jiji
MANILA -- The Philippine election campaign officially opens on Tuesday, with two presidential children showing early advantage in the races for president and vice president.