To the delight of Cubans, U.N. Secretary-General Ban Ki-moon toured the colonial old quarter last week, stopping in a barber shop to get a haircut. Ban and leaders from Latin America and the Caribbean were in Havana for a meeting of the Community of Latin American and Caribbean States. In Puerto Rico, mourners who attended the wake of slain boxer Christopher Rivera found his body posed standing in a simulated boxing ring, a yellow hood on his head, sunglasses over his eyes and blue boxing gloves on his hands. A Brazilian dump truck smashed into a pedestrian bridge on a busy highway in northern Rio de Janeiro, collapsing the walkway on three cars and a motorcycle and killing four people. Two Central American nations wrapped up campaigning for Sunday’s presidential elections, with voters in Costa Rica deciding whether to oust a long-governing party and voters in El Salvador choosing whether to put one back in power.