On April 18, 2012 Presidential hopeful Mitt Romney delivered what he called a "prebuttal to President Obama's convention speech" during a campaign stop in Charlotte, North Carolina. In this collection we look back at some of the most memorable moments on the campaign trail with Mitt Romney. UPI/Nell Redmond .
NASA's Space Shuttle Discovery flew it's final flight on April 17, 2012, soaring over Washington, D.C. on it's way to a permanent installation at Dulles International Airport. After 30 years, NASA ended the space shuttle program last summer.
The stars gather for TCM Classic Film Festival's opening night premiere of the 40th anniversary restoration of the motion picture musical drama "Cabaret", at Grauman's Chinese Theatre in the Hollywood section of Los Angeles on April 12, 2012. UPI/Jim Ruymen
The First Family attends the annual White House Easter Egg Roll in Washington, D.C. President Barack Obama also read "Where the Wild things Are" to children while First Lady Michelle Obama attended a cooking event with award-winning chef Marcus Samuelsson.
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