Why do we celebrate Halloween by putting on bizarre outfits and asking strangers for candy? Who is Stingy Jack, and why does he haunt our dreams? We decided to take a look at a few of Halloween's most well-known customs and ask, What do they all mean?
On August 28, 1963, Martin Luther King Jr. delivered his famous "I Have a Dream" speech on the steps of the Lincoln Memorial in front of 250,000 people. Exactly 50 years later, tens of thousands gathered there again to commemorate it.