WASHINGTON (AFP) - Backed by a 500 million dollar inheritance, Teresa Heinz Kerry brings spontaneity and outspoken life to the sometimes leaden presidential campaign of her level-headed husband John Kerry (news - web sites). No problem admitting to using botox, no problem to championing women's and environmental causes that would certainly annoy the current occupant of the White House. The heir to the Heinz ketchup and soup fortune -- born in Mozambique and brought up in South Africa -- has crossed the US political frontier to throw herself into her husband's quest for the Democratic nomination to carry the party...