PEARL, Miss. (AP) — Mississippi Gov. Haley Barbour says he voted for a state ballot initiative that would declare life begins at fertilization.The Republican says he voted by absentee ballot Thursday because he won't be in his hometown for Tuesday's election.Barbour told reporters Wednesday he was undecided because he thinks the initiative is ambiguous and he had concerns about how it might affect in vitro fertilization and ectopic pregnancies.Barbour says he still has concerns about how it might affect health care, if passed. He says he voted for it, ultimately, because he believes life begins at conception.Barbour weighed a presidential bid in 2012 but decided against it.He answered questions after appearing at a campaign rally for Phil Bryant, the Republican trying to succeed him as governor.