Since the tragedies, the Department of Homeland Security was established to prevent terrorist attacks within the United States, and most importantly, to share intelligence information among government agencies and departments.

Space exploration is important research to our economic and national defense, and America's space program is a symbol of our success as a scientifically and technologically advanced nation.

While many of us never knew Ronald Reagan personally, we felt close to him because we shared his lighthearted sense of humor, admired his uncommon virtue, and were moved by his remarkable wisdom.