NPR's Ari Shapiro speaks with John McWhorter, Columbia University linguist and New York Times columnist about the recent Merriam-Webster declaration that English sentences may end with prepositions.

Dictionary publisher Merriam-Webster found itself in hot water recently after weighing in on an age-old grammatical debate. In an Instagram post, Merriam-Webster said it is "permissible" for people ...

Prepositions — connecting words such as to, from, and of — are basic bits of language with clear meaning and function. Right? After all, one of the quickest ways to know someone isn't a native speaker ...