AN English teacher in Iran, Farhad H., recently sent me e-mail asking this very interesting question about preposition usage: “I often have difficulty when it comes to the difference between the ...

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.

It’s fine to end a sentence with a preposition, according to a shock ruling from the American dictionary publisher. But is it OK to recklessly split infinitives? Name: Correct preposition use. Age: ...