Over the weekend, tens of thousands of people marched through Mexico City in protest against a government proposal to legalize same-sex marriage. 

Gay marriage is already legal in Mexico City and some Mexican states, but in the predominantly Roman Catholic country, it remains a controversial issue. 

On Sunday, Pope Francis weighed in from Rome, voicing his support for the protestors.

NPR's Mexico City correspondent Carrie Kahn joins Take Two with more.

To hear the full interview, click the blue player above.