Andy Duann, CU Independent | AP
This Thursday, April 26, 2012 photo provided by the CU Independent shows a bear that wandered into the University of Colorado Boulder, Colo., dorm complex Williams Village falling from a tree after being tranquilized by Colorado wildlife officials. Colorado University police spokesman Ryan Huff said the bear was likely 1-3 years old and weighed somewhere between 150-200 pounds.
David Goldman | AP
First lady Michelle Obama introduces President Barack Obama at the Fort Stewart Army post on Friday, April 27, 2012, in Fort Stewart, Ga.
Philipp Guelland | AP
The few weeks old Asian elephant bull Assam plays in the sand during the first appearance in the outdoor enclosure at the Hagenbeck zoo in Hamburg, northern Germany on Friday, April 27, 2012.
Jim McCarthy | BDN
Tethered to their safety harnesses several dozen feet above the ground, workers at the Bangor Arena construction site are dwarfed by the Paul Bunyan statue on Thursday, April 26, 2012. Buy Photo
Mel Evans | AP
Geese fly as the space shuttle Enterprise, riding on the back of the NASA 747 Shuttle Carrier Aircraft, flies past in Jersey City, N.J., on Friday, April 27, 2012.
Alexandre Meneghini | AP
People enjoy a fountain in front of the Revolution Monument in Mexico City, Thursday, April 26, 2012.