Joe Biden: We must keep marching toward Dr. King’s dream

Sixty years ago, the Rev. Martin Luther King Jr. and hundreds of thousands of fellow Americans marched on Washington for jobs and freedom. In describing his dream for us all, Dr. King spoke of redeeming the “promissory note to which every American was to fall heir” derived from the very idea of America — we are all created equal and deserve to be treated equally throughout our lives. While we’ve never fully lived up to that promise as a nation, we have never fully walked away from it, either. Each day...