The resonance of Dr. Martin Luther King Jr.'s final speech, delivered on the eve of his assassination in Memphis, reverberates through

The dual celebrations of a second Trump inauguration and the civil rights leader’s birth raise profound questions about Black leadership and progress toward the Rev. Dr. Martin Luther King Jr.’s dream.

It was first proposed four days after King's 1968 assassination outside a Memphis motel. It took 15 years until it became a federal holiday.