**WHEN TWO HEARTS COLLIDE** *Robert Benjamin Bradley* Some inheritances arrive as gifts. Others arrive as debts that come due. Meera Guerrero was a child in Guatemala City when she watched her mother — a fearless environmental activist — gunned down at a rally. She was sixteen when she took up the pesticide sprayer her grieving father could no longer bear to carry, learning too young that the chemicals feeding the fields were also poisoning the people who worked them. She grew up, became a...