Knut, the polar bear cub, looks around during its first public appearance in the Berlin Zoo on Friday, March 23, 2007. Television crews and photographers jockeyed with hundreds of excited children at Berlin's Zoo on Friday, all eager to for a first glimpse of the fuzzy white polar bear cub who has captured hearts across the globe. (AP Photo/Franka Bruns)

Knut, the polar bear cub, looks around during its first public appearance in the Berlin Zoo on Friday, March 23, 2007. Television crews and photographers jockeyed with hundreds of excited children at Berlin's Zoo on Friday, all eager to for a first glimpse of the fuzzy white polar bear cub who has captured hearts across the globe. (AP Photo/Franka Bruns)