Term Limits for Supreme Court Justices?

An editorial in The Week recently made the argument that it's time for America to limit the terms of its federal judges:

"Unlike in nearly every other democracy in the world, justices appointed to our highest court remain there for life. This is purportedly done to promote judicial independence. But in reality these lifelong Supreme Court appointments generate an absurd political spectacle: A court that is both nakedly partisan and less democratic."

 You can find the rest of the piece here.