 Dr. Ephraim Lemango is the chief of immunization at UNICEF. Defending champion Argentina won a record 16th Copa America title by beating Colombia 1-0, thanks to an extra-time goal from substitute Lotoro Martinez at the Hard Rock Stadium in Florida. This is CBS News. Think O'Reilly Auto Parts for all your car care needs. Get the parts and service you need fast from the professional parts people at O'Reilly Auto Parts.