Election unfolds amid rising violence, growing concern about organized crime, pushing security to center of campaign in country long seen as regional haven Strong economic growth, closer alignment with US, tough-on-crime strategy frame vote as Costa Ricans weigh stability, security MEXICO CITY On Sunday, the people of Costa Rica will head to the polls to decide who will become the next president and to elect new members of the lower house of congress, in what is shaping up to be a general