He gave the world a lot of laughs, and now many around the world are mourning Leslie Nielsen. The Regina-born actor who went from serious drama to inspired bumbling in "Airplane!" and the "The Naked Gun" comedies, died yesterday at the age of 84. He passed away at a hospital near his home in Fort Lauderdale, Florida where he was being treated for pneumonia. Nielsen's nephew, Doug Nielsen, says his uncle died in his sleep with his wife Barbaree by his side. Though his Canadian roots ran deep -- his father was a Mountie and his brother, Erik, a Yukon...