About New York; At N.Y.U., Languages Si, Elitism Non
About New York column on New York University's Speaking Freely program, series of 12 different language courses that are offered free and not-for-credit; aim is to encourage students to study abroad at one of university's overseas campuses, and also to explore New York's cultural offerings as part of complete urban education; NYU president L Jay Oliva discusses program, which he devised; photo of students sharing French conversation at Cafe Lure in Greenwich Village (M)