Lady Gaga visits David Letterman Show

Republican Presidential candidate Newt Gingrich

Dalai Lama attends Newark Peace Education Summit

President Barack Obama visits Ground Zero

President Barack Obama attends Ground Zero wreath laying ceremony

Beatification of Pope John Paul II

The Catholic Guy, Lino Rulli, LIVE on Sirius/XM from the Vatican

TIME 100 Issue of the Most Influential People in the World

On patrol with the 4th Infantry Division in Afghanistan

White House releases President Obama's birth certificate

President Obama attends annual White House Easter Egg Roll

Kelly Ripa Unveils Her Madame Tussauds Wax Figure

U.S. President Barack Obama visits Harlem

President Barack Obama visits New York City

100th Anninversary of the Triangle Shirtwaist Factory Fire

US President Obama visits Chile

9.0 Earthquake and Tsunami rock Japan

US Tomahawk missile strikes against Libya