Christopher Hitchens made the case better than this piece from Henry Porter, which begins curiously by stating his disagreement with Hitchens on everything else. But the argument is well made and I liked this:
It’s enough to say that a return of these sculptures would be a magnificent gesture to world culture and to the Greek people themselves. These works, commissioned and executed nearly 2,500 years ago, have meaning for all mankind, but they also lie at the core of Greek identity and self-esteem.It would be a small act of solidarity in troubled times. Give them back.