Is it appropriate for the president to occupy that sacred space? Does Obama have the moral authority to speak where King spoke? Does anyone?My honest answer to these questions: I don’t know. But here is what I do know. The future of our democracy is inextricably linked to how seriously we take King’s legacy. A legacy of unarmed truth and unconditional love. A legacy of brilliant prose and prophetic witness.

The president’s decision to honor the march is proper and commendable. But when he stands where King stood and delivers a speech of his own, he inevitably invites comparisons between his words and King’s. I hope Obama rises to the challenge to be truly King-like, not just King-lite. His speech cannot be full of great sound bites but devoid of sound public policy.

This article continues at the Washington Post.