Romney has highlighted policy issues in Latin America ranging from Iran's influence in the region to security problems in Mexico. How much do his views differ from those of Obama and Bush?
Latin American groups say that Ecuador's decision to grant asylum to WikiLeaks founder Julian Assange is a matter of sovereignty.
Alleged ties between the Honduran police chief and death squads of a decade ago have led the US to withhold some funds.
If Mexico can defeat Brazil it will mean the country's first Olympic gold medal in soccer.