Colombia is heading into a tense presidential runoff after one of its most violent election campaigns in decades, with security forces on alert following the killings of political figures. Voters face "radically differing options" on security, the journalist Richard McColl told DW, especially in areas controlled by armed groups. The race pits left-wing senator Ivan Cepeda against right-wing lawyer Abelardo de la Espriella, whose lives have been shaped in very different ways by the country's