At the Rally to Restore Sanity and/or Fear on the Mall on Saturday, comedians Jon Stewart and Stephen Colbert showed up with a semi-serious message promoting political moderation. As visitors flooded the nation’s capital, wacky characters and witty signage were in abundance.

Dr. Denzil L. Douglas, Prime Minister of St. Kitts and Nevis, gave the keynote address at the second annual Caribbean Students’ Conference on Saturday. He is pictured with the Obamas at a reception in New York during his 2009 visit to the U.S.