In Colombia, you can hear Latin America’s clearest, crispest Spanish. As a result, Bogota is home to everything from call centers to telenovela production houses. Also, a conversation with philosopher Oscar Guardiola-Rivera about what the spread of Spanish in the United States is doing to the language, and to the country. Finally, Dora the Explorer and Kai-Lan: two fictional TV characters who introduce American kids to their first words of Spanish and Chinese. In Dora’s case, she also introduces Spanish speakers to their first English words.