Aldrin's "Magnificent Desolation"

During a press conference Wednesday announcing she will submit her name to stay on as House minority leader, Nancy Pelosi and other women from the House Democratic Caucus jeered a question from NBC's Luke Russert about whether her decision as an over-70 leader "prohibits younger leadership from moving forward."

President Obama spoke at the United Nations General Assembly and called on his international counterparts to directly and honestly confront the sources of unrest in Muslim countries, as well as the tensions between the West and the Arab world.

President Obama spoke at the annual meeting of the Clinton Global Initiative in New York and touted new efforts to combat slavery.

Republican presidential nominee Gov. Mitt Romney spoke at the Clinton Global Initiative about what accounts for the vast difference in wealth among nations that are sometimes neighbors.

Republican presidential nominee Gov. Mitt Romney spoke at the Clinton Global Initiative about how work should be at the heart of U.S. foreign policy efforts.

Republican presidential nominee Gov. Mitt Romney spoke at the Clinton Global Initiative about the role chronic unemployment played in the Middle East uprisings.