Obama made no mention of King during the Inauguration four years ago — but since then, in word and deed, the president has done much to distinguish himself from the man who said “I have a dream.”

After his speech at the March on Washington for Jobs and Freedom in August 1963, King went on to take great risks as a passionate advocate for peace.

After his Inaugural speech in January 2009, Obama has pursued policies that epitomize King’s grim warning in 1967: “When scientific power outruns moral power, we end up with guided missiles and misguided men.”