You probably know his work from your subway reading -- he was commissioned to write "Grand Central" to celebrate the terminal's 100th anniversary and it was reprinted on the trains and on MetroCards.  

Billy Collins, former U.S. (and New York State) Poet Laureate, professor of English at Lehman College at the City University of New York, and author of Aimless Love: New and Selected Poems (Random House, 2013), talks about that poem and those in his new collection.